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If f (x) = a sin x -b cos x,f'((pi)/(4))...

If f (x) = a sin x -b cos x,f'`((pi)/(4)) = sqrt2 and f ' ((pi)/(6)) = 2,` then find f (x).

Text Solution

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The correct Answer is:
`f (x) = (sqrt3 +1) sin x + ( sqrt3 -1) cos x `
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