Question: Part B. Apply the Concepts 1. Find the exact value of sin 20, cos 2a, and tan 2a using the given information. a) sina =

Part B. Apply the Concepts 1. Find the exact value of

Part B. Apply the Concepts 1. Find the exact value of sin 20, cos 2a, and tan 2a using the given information. a) sina = -. 5 13' , a terminates in QIII b) cosa = 21 as .

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