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ML KHANNA-TRIGONOMETRY RATIOS AND IDENTITIES-PROBLEM SET (2) ( MULTIPLE CHOICE QUESTIONS)
- Find the least value of 2 sin^(2) theta+ 3 cos^(2) theta.
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- The least values of cosec^(2) x + 25 sec^(2)x is
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- The greatest value of sin^4theta+cos^4theta is
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- If f(x)=cos^(2)x+sec^(2)x, then
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- Prove that 3/4 le sin^(2)theta +cos^(4) theta le 1 for all real theta.
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- If A=sin^(8) theta + cos^(14) theta, then for all values of theta,
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- If theta , phi are acute, sin theta = 1//2 , cos phi = 1//3, then [ t...
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- The value of cos10^(@)-sin 10^(@) is
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- Which of the following is correct ?
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- Maximum value of 24 sin theta+7 cos theta is
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- The minimum value of 3 sin theta + 4 cos theta is
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- Maximum value of 3 cos theta + 4 sin theta is
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- The minimum value of 3 cos x+4 sin x+8 is:
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- Prove that the value of 5 cos theta + 3cos (theta + pi/3) +3 lies bet...
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- If ale 3 cos x + 5 sin ( x - pi //6) leb for all x, then (a,b ) =
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- If a cos theta - b sin theta = lambda, then AA real theta
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- sqrt( 3) sin x + cos x is maximum when x is
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- The set of values of 'a' for which the equation sqrt(a) "cos" x -2 "...
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- Given 12 sin theta + 5 cos theta =2 x^(2) - 8 x +21 and theta and x a...
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- If cos 25^(@) + sin 25^(@) =0, then: cos 50^(@)=
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