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Solution - If cos^−1(xa)+cos^−1(yb)=α , prove that x2/a2−2 xy/ab cosα+y^2/b^2=sin^2 α - Inverse Trigonometric Functions (Simplification and Examples)

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Question

If `cos^-1( x/a) +cos^-1 (y/b)=alpha` , prove that `x^2/a^2-2(xy)/(ab) cos alpha +y^2/b^2=sin^2alpha`

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Reference Material

Solution for question: If cos^−1(xa)+cos^−1(yb)=α , prove that x2/a2−2 xy/ab cosα+y^2/b^2=sin^2 α concept: Inverse Trigonometric Functions (Simplification and Examples). For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)
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