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8th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781305270336

Chapter D, Problem 30E

Textbook Problem

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Find the remaining trigonometric ratios.

**30.** tan *α* = 2,

To determine

**To find:** The trigonometric ratios.

**Result used:**

Let
*r* be the distance between the points

**Calculation:**

It is given that

From the above result, the trigonometric function

That is,

Here, acute angle
*x* and *y* are positive.

Therefore, the value of

Single Variable Calculus: Early Transcendentals

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