## 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 $0<\alpha<\pi / 2$

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