CBSE Class 12-science Answered
If sin-1x + sin-1y = θ, prove that x2 + y2 + 2xy cos θ = sin2 θ
Asked by akangsha746 | 17 Sep, 2018, 06:31: AM
Expert Answer
Answered by Arun | 03 Oct, 2018, 12:46: PM
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