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If cot(theta-alpha),3cottheta,"cot"(thet...

If `cot(theta-alpha),3cottheta,"cot"(theta+alpha)` are in A.P. and `theta` is not an integral multiple of `pi/2,` then the value of `(4sin^2theta)/(3sin^2alpha)=` _________

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. Number of solution of equation 2sinx/2cos^2x-2sinx/2sin^2x=cos^2x-sin^...

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  3. If cot(theta-alpha),3cottheta,"cot"(theta+alpha) are in A.P. and theta...

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  6. prove that cosA +cosB+cosC=1+r/R.

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  7. denote the positive solution of the equation 3+3costheta=2sin^2thetado...

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  8. If (sec^4theta)/a+(tan^4theta)/b=1/(a+b), then prove that |b|lt=|a| .

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  11. Find the number of solution of the equation 1+e^(cot^2x)=sqrt(2|sinx|-...

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  12. If a^2+b^2+2a bcostheta=1,c^2+d^2+2c dcostheta=1 and a c+b d+(a d+b c)...

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  13. If r1 =r2+r3+r, prove that the triangle is right angled.

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