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MCGROW HILL PUBLICATION-TRIGONOMETRY-Multiple Choice Questions
- 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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- If A lies in the third quardrant and 3 tan A -4 =0 , then 5 sin 2A+3 s...
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- If sin A+sin B + sin C =3, then the value of cos A + cos B + cos C is
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- If x=ycos((2pi)/(3))=zcos((4pi)/(3)),then what is xy + yz + zx equal t...
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- (1+cos.(pi)/(8))(1+cos.(3pi)/(8))(1+cos.(5pi)/(8))(1+cos.(7pi)/(8)) is...
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- If (sinx)/(1+cosx)+(sinx)/(1-cosx)=4 and 0^@ le x le 90^@, then the va...
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- The equation a "sin" x+b "cos" x = c, " where"|c| gt sqrt(a^(2) + b^(2...
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- The value of 16 sin 144^@ sin 108^@ sin 72^@ sin 36^@ is equal to
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- cos 2x + 2cos x is always :-
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- If sin theta+ cosec theta =2, then sin^n theta+"cosec"^n theta is equa...
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- The value of [sqrt3 cot 20^(@) -4 cos 20^(@)] is equal to-
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- The value of sqrt3"cosec"20^@ - sec 20^@ is equal to
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- If sin theta + sin^2 theta =1, then the value of cos^2 theta + cos^ 4 ...
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- If x=sec^2 theta + cos^2 theta ,theta ne theta , then the value of x i...
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- The equation sin^2 x=(a^2+b^2)/(2ab), is possible if
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- If A+B=pi/4, then (1+tan A) (1+tanB) is equal
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- If 3 sin theta+ 5 cos theta=5, then the value of (5 sin theta - 3 cos ...
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- If (1+sinx)(1+siny)(1+sinz)=(1-sinx)(1-siny)(1-sinz)=k, then k has the...
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- if 5cottheta = 4 , then the value of ((5sintheta - 3costheta)/(sinthet...
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