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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Chapter Test
- If a=tan27theta-tantheta and b=(sin theta)/(cos3theta)+(sin3theta)/(co...
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- Find the no. of integral values of k for which the equation 7cosx+5sin...
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- If A = sin^2 theta+ cos^4 theta, then for all real values of theta
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- The minimum value of f(x)-sin^(4)x+cos^(4)x,0lexle(pi)/(2) is
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- The value of sin\ pi/16 sin\ (3pi)/16 sin\ (5pi)/16 sin\ (7pi)/16 is
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- If A+B+C=pi then sin2A+sin2B+sin2C=
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- The expression tan^2alpha+cot^2alpha is
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- If alpha + beta+gamma=pi, prove that sin^2 alpha + sin^ beta - sin^2 g...
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- If tan((alphapi)/(4))=cot((betapi)/(4)), then
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- The roots of the equation 4x^2-2sqrt5 x +1=0 are .
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- The radius of the circle whose are of length 15\ pi cm makes an angle ...
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- If (cosA)/(cosB)=n and (sinA)/(sinB)=m,then (m^(2)-n^(2))sin^(2)B=
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- If tantheta+tan(theta+pi/3)+tan(theta-pi/3)=ktan3theta then k is equal...
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- If cos(theta+phi)= mcos(theta-phi), then prove that tan theta=(1-m)/(1...
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- alpha & beta are solutions of a cos theta+b sin theta=c(cosalpha != ...
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- Let n be a positive integer such that sin(pi/2n) + cos(pi/2n) = sqrt(n...
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- cos^(4)theta-sin^(4)theta is equal to
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- If tan alpha =m/(m+1) and tan beta =1/(2m+1) , then alpha+beta is equa...
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- tan alpha+2tan2alpha+4tan4alpha+8cot8alpha is equal to
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- If cos theta-4sintheta=1, the sintheta+4costheta=
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