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OBJECTIVE RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS AND IDENTITIES-Exercise
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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^(@)sin84^(@), is
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- If A+B+C=(3pi)/2, t h e ncos2A+cos2B+cos2C is equal to 1-4cos Acos Bc...
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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 |vecaxxvecb|^(2)+(veca.vecb)^(2) is….. .
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- If A=sin^(2)theta+cos^(4)theta, then find all real values of theta.
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- about to only mathematics
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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+cosectheta=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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- If sinx+sin^2x=1, then find the value of cos^(12)x +3cos^(10)x + 3 cos...
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- Write the maximum value of 12 sintheta-9sin^2\ \ thetadot
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- If f(x)="cos"^(2)x+"sec"^(2)x, then (i) f(x)lt1 (ii) f(x)=1 (iii...
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