# Solution - 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

#### Solution

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#### Reference Material

Solution for concept: Inverse Trigonometric Functions (Simplification and Examples). For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)
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