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UNITED BOOK HOUSE-Trigonometric Rations and Trigonometric Identities-Exercise
- If 2 sin ((pi)/(2)) = x^2 + (1)/(x^2) = , then the value of (x - (1)/(...
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- If A=sin^2theta+cos^4theta then for all real values of theta
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- If cos 0 = x^2 - x + 5/4, the value of x will be
01:19
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- In triangleABC, angleB = 90^@ and AB : BC = 2 : 1. The value of sin A ...
01:57
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- If cos theta + sin theta = sqrt2 cos theta, then cos theta - sin theta...
03:38
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- If cos^4 theta - sin^4 theta = 2/3, then the value of (1 - 2 sin^2 the...
02:32
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- If (cosalpha)/(cosbeta) = a and (sinalpha)/(sinbeta) = b, then the val...
04:15
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- If theta is an acute angle and tan theta + cot theta = 2, then the val...
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- If (2 tan^2 30^@)/(1 - tan^2 30^@) + sec^2 45^@ - sec^2 0^@ = x sec 60...
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- Which one of the following is true for 0^@ < theta < 90^@?
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- If cos^2 alpha - sin^2 alpha = tan^2 beta, then the value of (cos^2 be...
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- For any values of sqrt frac(sec theta - 1)(sec theta + 1) = ?
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- If 0^@ < A < 90^@, then the value of tan^2 A + cot^2 A - sec^2 A cosec...
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- The vlaue of (2sin^3 theta - sin theta)/(costheta - 2 cos^3 theta) is ...
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- If r sin theta =7/2 and r costheta = (7sqrt3)/(2) then value of r is
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- If theta + emptyset = (Pi)/(2) and sin theta = 1/2 then the value of s...
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- If a cos theta + b sin theta = p and asin theta - bcos theta = q, then...
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- If theta = 60^@, then 1/2 sqrt1 + sin theta + 1/2 sqrt1 -sin theta is ...
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- sin A + cos B = 2 then tan((A + B)/(2)) equals
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- If cos^4 theta + cos^2 theta = 1 then the value of (tan^4 theta + tan^...
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