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MCGROW HILL PUBLICATION-TRIGONOMETRY-Multiple Choice Questions
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- If cosalpha+cosbeta = 0=sinalpha+sinbeta, then cos2alpha+cos2beta is e...
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- tan""(2pi)/(5)-tan""(pi)/(15)-sqrt3tan""(2pi)/(5)tan""(pi)/(15) is equ...
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- If A +B+C= pi and m/C is obtuse then tan A. tan B is
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- If tan A=1/2 and tan B=1/3 , then the value of A+B is
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- The value of (sin^3 theta + cos^3 theta)/(sin theta+ costheta)+((cos^3...
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- The extremum values of cos x are :
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- If A= cos^(4)theta+sin^(2)theta , then for all values of theta :
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- If tan theta=a/b, then the value of b cos 2theta+asin 2 theta is
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