InterviewSolution
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InterviewSolution
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If θ is an acute angle and sin θ = cos θ, find the value of2tan2 θ + sin2 θ-1.3.4 cm EC = 3 cm, find AC. |
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Answer» if sin theta is equals to cos theta and theta is acute then theta is equals to 45° so 2tan²θ+sin²θ-1=(2*1)+(1/2)-1=2+(1/2)-1=(5/2)-1=3/2 |
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