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Trigonometry For Dummies, 3rd Edition
book

Trigonometry For Dummies, 3rd Edition

by Mary Jane Sterling
March 2023
Beginner content levelBeginner
400 pages
9h 38m
English
For Dummies
Content preview from Trigonometry For Dummies, 3rd Edition

Chapter 16

Solving Trig Equations

IN THIS CHAPTER

Bullet Solving equations within limits

Bullet Expanding the pool of answers for equations

Bullet Incorporating algebra techniques

Bullet Getting creative with identities

Bullet Solving multiple-angle equations

Bullet Letting a graphing calculator do the dirty work

Solving equations involving trigonometric expressions takes a pinch of this, a dab of that, a gentle stirring, and just the right temperature. No, this book isn’t for a cooking class, but solving these equations requires the proper preparation and some skill — just like a successful dish.

Remember Trig equations aren’t identities. An identity is true for any angle in the domain of the function involved. A trig equation is true for some specific angles or input — if the equation has a solution at all. It’s just like solving ...

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Publisher Resources

ISBN: 9781394168552Purchase Link