Cos 2θ = Sin θ and (0° < θ < 90°), find the value of θ?
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Cos 2θ = Sin θ and (0° < θ < 90°), find the value of θ?
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Answer:
answer is an attachment observe care fully
Sin(90-2A)=SinA
90-2A=A
3A=90
A=30
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