Solve each of the following equations when 0° < A <90° .
Sin ^2 A - 2cos A +1/4 =0
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Answer: 2 cos θ = 1 cos θ = 12 θ = 60∘ ... Solve each of the following equations when 0∘<θ<90∘ 2 ... Solve sin24π+sin243π+sin245π+sin247π.
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