CBSE Class 10 Answered
if sin theta = cos theta then find the value of cot theta - 2 sin square theta
Asked by chintalarakeshyadav | 23 Feb, 2019, 13:19: PM
Expert Answer
If sinθ = cosθ , then θ = π/4
Hence sinθ = cosθ = 1/√2
cotθ - 2 sin2θ = (cosθ / sinθ ) - 2 sin2θ = 1 - 2(1/√2 )2 = 0
Answered by Thiyagarajan K | 23 Feb, 2019, 15:01: PM
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