Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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### Trigonometry Exercise: Finding Exact Values

#### Problem Statement
Find the **exact** values of the following trigonometric expressions:

#### Questions

a. \( \sec(765^\circ) \)

b. \( \cot\left( \frac{7\pi}{6} \right) \)

c. \( \sin(-90^\circ) \tan(60^\circ) - \cos(600^\circ) \)

d. \( \csc^2 \left( \frac{\pi}{3} \right) + 2 \tan \left( \frac{13\pi}{4} \right) \)

**Note for Educators and Students:**
To solve these problems, it may be helpful to simplify the angles by finding their standard position, use unit circle values, and apply fundamental trigonometric identities.
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Transcribed Image Text:### Trigonometry Exercise: Finding Exact Values #### Problem Statement Find the **exact** values of the following trigonometric expressions: #### Questions a. \( \sec(765^\circ) \) b. \( \cot\left( \frac{7\pi}{6} \right) \) c. \( \sin(-90^\circ) \tan(60^\circ) - \cos(600^\circ) \) d. \( \csc^2 \left( \frac{\pi}{3} \right) + 2 \tan \left( \frac{13\pi}{4} \right) \) **Note for Educators and Students:** To solve these problems, it may be helpful to simplify the angles by finding their standard position, use unit circle values, and apply fundamental trigonometric identities.
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