Asked by Rachel

FindA if (2sinA\2)squared=2

Answers

Answered by PsyDAG
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Answered by Steve
assuming you mean

(2 sin(A/2))^2 = 2
4 sin^2(A/2) = 2
sin^2(A/2) = 1/2
sin(A/2) = ±1/√2

Now just find all the angles that fit that.
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