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CBSE Class 10 Answered

f x = a cos theta -b sin theta and y = a sin theta + b cos theta then prove that a square+b square = x square+y square   
Asked by melmerisb | 07 Dec, 2019, 12:38: AM
answered-by-expert Expert Answer
f x = a cos theta -b sin theta and y = a sin theta + b cos theta

Answered by Renu Varma | 07 Dec, 2019, 06:45: PM

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