Activities: Time for Trigonometry, May 1995, 393-6, 405-10
Activities: Trigonometry Drills, Mar 1992, 201-2, 207-10
Algebra 2 and Trigonometry, Dec 1987, 750
Algebra and Trigonometry, Dec 1986, 741
Algebra and Trigonometry, Jan 1987, 69
Algebra and Trigonometry, May 1987, 409
Algebra and Trigonometry, Nov 1989, 656
Algebra and Trigonometry, Oct 1990, 574
Algebra and Trigonometry, 2d ed, Jan 1987, 69
Algebra and Trigonometry: A Precalculus Approach, 3d ed, Feb 1988, 151
Algebra and Trigonometry, Structure and Method, Book 2, Dec 1986, 741
Algebra and Trigonometry, teachers ed, Oct 1992, 589-590
Algebra and Trigonometry with Analytic Geometry, Jan 1988, 73
Algebra and Trigonometry with Analytic Geometry, 7th ed, Feb 1990, 160-162
Algebra and Trigonometry with Applications, 2d ed, Nov 1986, 667
Algebra and Trigonometry with Applications, 4th ed, Mar 1990, 232
Algebra & Trigonometry, 2d ed, Dec 1992, 763
The Algebra of Calculus with Trigonometry and Analytic Geometry, Oct 1991, 571
Algebra with Trigonometry for College Students, 2d ed, Nov 1989, 656
Algebra with Trigonometry for College Students, 3d ed, Nov 1992, 689
Angled Sunshine, Seasons, and Solar Energy, Oct 1997, 52832
Animated Circular Functions with a Microcomputer, May 1988, 382-384
Another Approach to the Ambiguous Case, Mar 1987, 208-209
Applications: A Mathematical Model for the Height of a Satellite, Oct 1993, 563-565
Applications: Linear Function Saves Carpenter's Time, May 1990, 400-401
Applications: Squeal Those Tires!, Jan 1992, 56-61
Applications: Tracking Dinosaurs with Trigonometry, Jan 1990, 46-50
Applied Trigonometry, Feb 1990, 162
Approaching Precalculus Mathematics Discretely: Explorations in a Computer Environment, Oct 1991, 571-572
An Attractive View of Composite Functions, May 1993, 415-417
Building Mathematical Models of Simple Harmonic and Damped Motion, Jan 1995, 18-22
Calculus, Late Trigonometry Version, 5th ed, Nov 1992, 690
Calculus with Analytic Geometry, Late Trigonometric Version, 3d ed, Feb 1990, 162
The Circle and Sphere as Great Equalizers, Nov 1991, 666-672
Circular Graphs: Vehicles for Conic and Polar Connections, Jan 1995, 26-28
College Algebra and Trigonometry, Jan 1987, 70
College Algebra and Trigonometry, Mar 1989, 224
College Algebra and Trigonometry, Nov 1989, 657
College Algebra and Trigonometry, Nov 1990, 681
College Algebra and Trigonometry, 2d ed, Feb 1987, 162
College Algebra and Trigonometry, 2d ed, Jan 1989, 69-70
College Algebra and Trigonometry, 2d ed, Nov 1990, 681
College Algebra and Trigonometry, A Graphing Approach, Sep 1990, 481-482
College Algebra and Trigonometry with Applications, Apr 1986, 304
College Algebra and Trigonometry with Applications, Feb 1987, 162-163
College Trigonometry, 2d ed, Dec 1992, 764
Concepts in Mathematics: Trigonometric Functions 1: Solving Triangles, Dec 1992, 768
Concepts in Mathematics: Vectors, Sep 1994, 460-461
Creative Writing in Trigonometry. Sept. 1999, 498-503
Dead Reckoning: Calculating without Instruments, Mar 1994, 212
Demystifying Polar Graphing, Dec 1994, 728-735
Discovering the Law of Sines, Nov 1991, 634-635
Essentials of Trigonometry, 2d ed, Nov 1986, 669
Extending a (TIMSS) Japanese Lesson Using Trigonometry. Mar. 1999, 189-91
Fundamentals of Algebra and Trigonometry, Dec 1990, 752
Fundamentals of Algebra and Trigonometry, 7th ed, Nov 1989, 658
A Geometric Proof of the Sum-Product Identities for Trigonometric Functions, Mar 1987, 240-244
A Geometric Solution to a Problem of Minimization, Jan 1988, 61-64
A Geometrical Approach to the Six Trigonometric Ratios, Sep 1993, 496-498
Gliding & Flying through Math, Mar 1995, 242
Graph Wiz, Feb 1993, 169
A Graphic Expression of Trigonometric Identities, Nov 1987, 643-644
Graphing Composites of Trig and Arctrig Functions, Mar 1991 194-195
Great Ideas for Teaching MATH, Apr 1991, 326
HBJ Algebra 2 with Trigonometry, rev. ed, Feb 1988, 154
Hidden Treasures in Students' Assumptions, Oct 1993, 567-569
HiMAP: Module 12, Spheres and Satellites, Apr 1990, 331-332
Holt Algebra 2 with Trigonometry, Teacher's Ed, Mar 1986, 224
How High Is the Water Tower? Apr 1996, 27478 (see also Dec 1996, 71011)
How Rough Is Your State- Mar 1995, 188-90
I Found Sinusoids in My Gas Bill. Jan. 2000, 1012
Implementing the Standards: Trigonometry Today, Feb 1991, 98-106
Integrated Mathematics, Course 2, Teacher's Ed, Feb 1992, 148
Integrating Spreadsheets into the Mathematics Classroom, Nov 1988, 615-622
Is This a Mathematics Class?, Nov 1995, 632-638
A Lab Approach for Teaching Basic Geometry, Oct 1986, 523-524
The Legend of SOH CAH TOA, Apr 1990, 286-287
A Look at Parabolas with a Graphing Calculator, Apr 1997, 27882
The Lost Trigonometry Class and the Hidden Treasure, Jan 1994 19-22
M! Project Mathematics! Sines and Cosines, Part 1, Sep 1993, 506
Making a Paper Calculator for Trigonometry, Dec 1987, 727-728
Match Geometric Figures with Trigonometric Identities, Jan 1995, 24-25
Math Grapher, Sep 1988, 493
Math Grapher: Plotting Equations and Trig Functions, Nov 1990, 677
Math to Build On: A Book for Those Who Build, Apr 1994, 296
MathCAD, Sep 1987, 491
Mathematics: A Second Start, Sep 1987, 496
Mathematics and Meteorology, Nov 1986, 602-603
Mathematics for Calculus, Jan 1990, 73-74
Mathematics for Technology: Part 1, Estimation & Part 2, More Trigonometry, Sep 1994, 461
The Mathematics of the Spirograph. Apr. 1999, 354-58
Maths Made Easy, Sep 1995, 530-531
Microcomputer-Assisted Mathematics: Computer-Assisted Polar Graphing, Mar 1987, 246-250
Model Rocket Math: A Mathematical Application Unit, Sep 1987, 493
Motivating A-Level Mathematics, Oct 1987, 596-597
Nested Platonic Solids: A Class Project in Solid Geometry, May 1994, 312-318
Nuffield Advanced Mathematics, Book 1, Oct 1995, 611-612
Perfect and Not-So-Perfect Rollers, Jan 1998, 1220
Perimeters, Patterns, and Pi, Apr 1996, 28488
Plane Trigonometry, 3d ed, Feb 1990, 166
Planer Trigonometry, Sep 1989, 480
Pre-Calculus, Feb 1993, 169
Precalculus, Mar 1987, 254-255
Precalculus, Feb 1989, 148
Precalculus, Dec 1991, 770
Precalculus, 4th ed, Dec 1992, 767
Precalculus Algebra and Trigonometry, Jan 1992, 75
Precalculus Mathematics, 3d ed, Jan 1993, 92-93
Precalculus Mathematics: A Functional Approach, 3d ed, Jan 1987, 75
Precalculus Software: An Interactive Electronic Blackboard Designed to Enhance Classroom Instruction in Algebra and Trigonometry, Nov 1988, 686-688
Precalculus with Trigonometry: Functions and Applications, Oct 1987, 597-598
Primitive Quadruples for the Law of Cosines, Apr 1988, 306-308
Problem Solving Also Raises Questions, Dec 1988, 729-732
Products, 1995, 64, 66; 1996, 786
Programs for Trigonometry, Dec 1986, 738-739
Project MATHEMATICS! Sines and Cosines, Part I & Part II: Trigonometry, Jan 1995, 64
Proofs without Words: Exercises in Visual Thinking, Nov 1994, 655
Publications, 1996, 258
Publications, 1997, 250, 605
Publications, Sept. 1999, 554
Pythagorean Triples Using Double-Angle Identities, May 1988, 374-375
The Radian Walk, Dec 1992, 726-727
The Railroad-Track Problem, Sep 1992, 439-441
Reader Reflections, 1995, 76, 79-80 (see also Sep 1995, 507), 168, 184, 254, 256, 258, 364, 446, 504, 507, 722-23, 724, 728, 784, 785-86
Reader Reflections, 1996, 55, 14950, 194, 201, 263, 368
Reader Reflections, 1997, 67
Reader Reflections, 1998, 120, 152, 275, 36465, 371, 396, 51415, 620, 622, 648
Reader Reflections, Jan. 1999, 79-80, Apr. 1999, 350, May 1999, 382, Sept. 1999, 522, Oct. 1999, 626
Reader Reflections, Jan. 2000, 37, 41, Feb. 2000, 140, Apr. 2000, 265, 317 (see also Oct. 2000, 54142), May 2000, 363, Nov. 2000, 637, 695, Dec. 2000, 734
Reciprocal Mappings: The Neglected Transformations, Apr. 32227
Rethinking the Ambiguous Case, May 1987, 372
Rounding Out the Trigonometric Functions, Sep 1987, 472-474
Schaum's Solved Problem Series: 2500 Solved Problems in College Algebra and Trigonometry, Sep 1991, 493
The Scrambler, or a Family of Vectors at the Amusement Park. Jan. 1999, 64-69
The Sierra Curve-An Introduction to Periodic Concepts, Sep 1991, 434-441
The Sign-Chart Method for Solving Inequalities, Nov 1991, 657-664
A Simple Periodic Function, Nov 1986, 619-621
Sin 'n Conics, Oct 1989, 577
Sine Curves and Spaghetti, Oct 1998, 56467
Solving Equations of the Type a cos u + b sin u = c, Apr 1989, 263-264
Solving Problems in Algebra and Trigonometry, Feb 1989, 149-150
SSA: The Ambiguous Case, Feb 1989, 109-110
Starship, Feb 1995, 113-15
The Taming of the Ambiguous Case, Mar 1992, 200
Tan 2q Via the Scenic Route, Oct 1988, 553-554
Technical Mathematics 1 and 2, Dec 1988, 759
Theory and Problems of Trigonometry, Oct 1990, 580
Time for Trigonometry, May 1995, 393-96
Trig and Analytic Geometry, 1 and 2, Sep 1991, 487
Trig Pak: Software and Tutorials for Trigonometry (Version 2.0), May 1991, 406
Trig Skits, Dec 1994, 702
Trig Trainer: A Hands-On Approach to Teaching Trigonometry, Jan 1995, 66
Trigonometer Maths, May 1989, 395
A Trigonometric Exploration, Oct 1992, 582-583
Trigonometric Functions: Solving Triangles & Sinusoidal Waves, Dec 1993, 788
Trigonometry, Mar 1986, 227
Trigonometry, Dec 1986, 745-746
Trigonometry, Jan 1988, 77-78
Trigonometry, Feb 1989, 150
Trigonometry, Mar 1990, 236-237
Trigonometry, Jan 1991, 70
Trigonometry, Nov 1992, 693-694
Trigonometry, 2d ed, Mar 1990, 237
Trigonometry, 5th ed, Sep 1993, 505-506
Trigonometry and Design, Oct 1986, 526-527
Trigonometry for College Students, 4th ed, Jan 1988, 78
Trigonometry for College Students, 5th ed, Sep 1991, 493
Trigonometry for Non-Trigonometry Students, May 1994, 372-375
Trigonometry for the Energy-Conscious Architect, Oct 1997, 56465
Trigonometry of the Right Triangle, Sep 1986, 478-479
Trigonometry, rev, ed, Feb 1988, 155-156
Trigonometry, Vol. I, Oct 1993, 611
Trigonometry/Analytic Geometry 1 and 2, Oct 1993, 611
Understanding Arcsin (Sin(x)) and Arccos (Cos(x)), Mar 1992 198-200
An Unlawful Use of the Law of Sines, Feb 1993, 164-165
Using a Graphing Utility as a Catalyst for Connections, Jan 1997, 5056
Using Interactive-Geometry Software for Right-Angle Trigonometry, Oct 1996, 6025
Using Scientific Calculators to Demonstrate the Method of Successive Substitutions, Jan 1986, 15-17
Using Technology to Introduce Radian Measure, Feb 1997, 16872
WEPCO Electronic Study Guide for Trigonometry, Diskette 3: Trigonometric Graphing, Jan 1986, 70
When One Operation Is As Good As Another, Mar 1987, 186-189
Whence the Built-in Functions?, Mar 1987, 209-212
Working Backward Creates Problems, Mar 1993, 215