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Laabri

Precalc Honors 5.1 Homework

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Last updated 5 months ago
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1.

If \cot \theta =- \frac{5}{7} and \sin \theta > 0, find the other five functions of the angle using identities. Name which identities you used. The values will autograde; the identities will likely be scored manually.

Function

Value

Identity

$\sin\theta$

$\cos \theta$

$\tan \theta$

$\csc \theta$

$\sec \theta$

$\cot \theta$

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2.

If \csc \theta = -1.24, what is \sec (\theta - \frac{\pi}{2})

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3.

Suppose for some angle \alpha, \sin(\alpha) = 0.45. What is \sin(-\alpha)?

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4.

Simplify