Question: Simplify each expression (a) tan(17/3) (b) cos(7/8). Hint: sin(7/8) = 1 2 q 2 2. (c) sin(arctan(x))

Simplify each expression (a) tan(17/3) (b) cos(7/8). Hint: sin(7/8) = 1 2 q 2 2.

(c) sin(arctan(x))

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