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(Solved): Evaluate each expression without using a calculator. (Hint: Make a sketch of a right triangle.) (a ...
Evaluate each expression without using a calculator. (Hint: Make a sketch of a right triangle.) (a) \( \sin \left(\arcsin \left(\frac{1}{2}\right)\right) \) (b) \( \cos \left(\arcsin \left(\frac{1}{2}\right)\right) \)