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OBJECTIVE RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS AND IDENTITIES-Chapter Test
- If T(n)=cos^(n)theta+sin ^(n)theta, then 2T(6)-3T(4)+1=
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- The maximum value of 1+8sin^(2)x^(2)cos^(2)x^(2) is
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- about to only mathematics
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- The expression 3{sin^(6)""((pi)/(2)+alpha)+sin^(6)(5pi-alpha)} is equa...
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- The minimum value of (1)/(3sintheta-4costheta+7), is
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- The maximum value of cos^(2)A+cos^(2)B-cos^(2)C, is
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- If ys invarphi=x s in(gamma+delta)=cos(alpha-beta)sin(gamma-delta), pr...
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- cosx{(cosx)/(1-sinx)+(1-sinx)/(cosx)}, is
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- If tanx=(b)/(a), then find the value of sqrt((a+b)/( a-b ))+sqrt((a-b)...
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- In tantheta+sec theta=sqrt3,0ltthetaltpi, then theta is equal to
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- If sqrt3sin theta+costhetagt0, then theta lies in the interval
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- Let 0lt x lepi//4, (sec 2x-tan2x) equals
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- Prove that ((cos A+cos B)/(sinA-sinB))^(n)+((sinA+sinB)/(cos A-cosB))^...
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- If 3tan(theta-15^0)=tan(theta+15^0), then theta is equal to n in Z) ...
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- If (cos theta)/(a)=(sin theta)/(b), then (a)/(sec2theta)+(b)/(cosec2th...
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- If k(1)=tan 27 theta-tan theta and k(2)=(sin theta)/(cos 3 theta)+(sin...
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- Find the number of integral values of k for which the equation 7 cos x...
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- If A=sin^(2)theta+cos^(4)theta, then find 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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