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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
- If sin theta= sin alpha, then the value of sin frac (theta)(3) is:
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- cos 52^@+ cos 68^@+ cos 172^@ is equal to :
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- The value of cos 52^@ + cos 68^@ + cos 172^@ is:
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- If in two circles, arcs of the same length subtend angles 60^@ and 75^...
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- If in two circles, arcs of the same length subtend angles 60^@ and 75^...
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- The minimum value of (cos theta+ sin theta) is:
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- If tan theta=1/2 and tan phi=1/3, then the value of (theta + phi) is :
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- The period of the function sin 3x is:
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- The period of the function f(x) = cos 4x + tan 3x is :
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- The number of points of intersection of 2y-1=0 and y = sinx,-2 pi lexl...
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- The expression (cos 2b-cos 2a)/(sin 2b-sin2a) is equal to:
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- If tan x=b/a, then the value of a cos 2x+b sin 2x is :
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- If sin 5theta = cos 4theta where 5theta and 4theta are acute angles, f...
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- If 2 sin theta=a+1/a, a is real, then the solution set for a is :
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- The maximum value of a cos x + b sin x is :
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- If in a DeltaABC, sin A =sin^(2) B and 2 cos ^(2)A=3 B, then the Delta...
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- If the angle opf a triangle are in the ratio 1:2:3, then show that the...
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- If in a triangle, a/(cosA)= b/(cos B) =c/(cos C), then the triangle is...
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- Let the angles A, B, C of triangle ABC be in A.P. and let b:c= sqrt3:s...
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- The period of sin 2 theta is :
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