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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Exercise
- If x=ycos((2pi)/3)=zcos((4pi)/3), then xy+yz+zx=
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- If sin alpha=sinbeta and cos alpha=cosbeta, then
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- If sintheta(1)+sintheta(2)+sintheta(3)=3, then cos theta(1)+cos theta(...
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- If A lies in the third quadrant and 3 tan A-4 = 0, then 5 sin 2A + 3si...
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- tan 5x tan3x tan2x=
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- The value of sin12^(@)sin24^(@)sin48^(@), is
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- If A+B+C = (3pi)/(2),then cos2A+cos2B+cos2C=
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- If A+C=B,then tanA tanBtanC=
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- If tan(cotx)=cot(tanx), then sin2x is equal to
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- If tan theta=a/b then b cos 2theta+asin 2theta=
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- If A=130^(@)and x=sinA+cosA, then
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- The value of the expression
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- If x=cos^2theta+sin^4theta then for all real values of theta
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- The minimum value of the expression sin alpha + sin beta+ sin gamma, ...
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- Which of the following statement is incorrect
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- The value of sin(pi/14)sin((3pi)/14)sin((5pi)/14) is
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- If sintheta+"cosec"theta=2, then sin^(2)theta+"cosec"^(2)theta is equa...
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- If tantheta=(1)/(2) and tanphi=(1)/(3), then the value of theta+phi i...
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- cos^12 x+3cos^(10)x+3cos^8x+cos^6x-2
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- Write the maximum value of 12 s intheta-9sin^2\ \ thetadot
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