Question

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Here's your question.​

Answer 1

Answer:

sin 2 theta = sin 30°

theta = 30°

answer = 60°

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Answer 2

Answer:

Root 3/2

Step-by-step explanation:

Cos theta =root(1-sin squared theta) = root(1-(1/4)square) =root(3/4)=root 3/2

Sin 2 theta=2sin theta cos theta=2*(1/2)*root 3/2=root 3/2