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Solve : (a)Given tan A=(3)/(4), find the value of sin A and cos A. (b)Given cot theta=(20)/(21),determine cos theta and cosec theta. (C ) If 13 sin A=4 and theta A is acute find the value of (5tantheta+12cottheta)/(5tantheta-12cottheta) (e) If 13 cos theta-5 0 ,find (sintheta+costheta)/(sintheta-costheta) |
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