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MCGROW HILL PUBLICATION-TRIGONOMETRY-Multiple Choice Questions
- Find the vaue of cos 1^@ cos 2^@ cos 3^@….cos 88^@ cos 89^@ cos 90^@
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- The value of cos 10^@ sin 20^@ is .
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- The value of sec theta can
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- The value of sin^6 theta+ cos^6 theta + 3 cos^2 theta sin^2 theta is
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- The value of cos 1^@ cos 2^@ cos 3^@…..cos 179^@ is
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- tan 1^@ tan2^@...tan 89^@=
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- Which of the following is correct ? [Hint: 1 radian = 180°/π = 57°30’ ...
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- If tantheta =-4/3, then sin theta is
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- If 0^@ le x le 90^@ and 1+tan^2 x - 2 tan x =0, then the value of x is
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- If x is acute , then sqrt((1+sinx)/(1-sinx)) is
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- The value of sin^3 alpha ( 1+cot alpha) + cos^3 alpha (1+tan alpha) i...
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- If x=r cos alpha cos beta,y=r cos alpha sin beta,z=r sin alpha then x^...
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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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- The value of sin^2 alpha cos^2 beta + cos^2 alpha sin^2 beta + sin^2 a...
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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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