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In each exercise, use identities to find the exact values at $\alpha$ for the remaining five trigonometric functions. $\tan \alpha=1 / 2$ and $0<\alpha<\pi / ...

Question

In each exercise, use identities to find the exact values at $\alpha$ for the remaining five trigonometric functions. $\tan \alpha=1 / 2$ and $0<\alpha<\pi / 2$

In each exercise, use identities to find the exact values at $\alpha$ for the remaining five trigonometric functions. $\tan \alpha=1 / 2$ and $0<\alpha<\pi / 2$



Answers

In Exercises 39–52, find the exact value of each trigonometric function. Do not use a calculator.
$$
\tan \frac{5 \pi}{4}
$$


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