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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Exercise
- if 0<=x<=pi and 81^(sin^2x)+81^(cos^2x)=30 then x=
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- If cos(A-B)=3/5and tan A tanB=2, then
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- The value of (3+cot76^@cot16^@)/(cot76^@+cot16^@) is
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- If sin x+sin^2=1, then cos^8 x+2 cos^6 x+cos^4 x=
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- 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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