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If A+B+C=pi, the value of sin2A+sin2B+si...

If `A+B+C=pi`, the value of `sin2A+sin2B+sin2C=ksinAsinBsinC` then value of k is

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MODERN PUBLICATION-TRIGONOMETRY-FREQUENTLY ASKED QUESTIONS
  1. If A+B+C=pi, the value of sin2A+sin2B+sin2C=ksinAsinBsinC then value o...

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  10. Prove that sin(A+B)sin(A-B)=sin^2A-sin^2B=cos^2B-cos^2A

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  17. Find the maximum and minimum values of 7costheta + 24sintheta

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  19. Prove that: cos 2theta"cos"(theta)/(2)-cos 3theta cos((9theta)/2)="...

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