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If tan (theta/2)=tan^3 (phi/2)and tanphi...

If `tan (theta/2)=tan^3 (phi/2)`and `tanphi=2tanalpha`,then prove that `theta+phi=2alpha`

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UNITED BOOK HOUSE-ANNUAL EXAMINATION QUESTION PAPERS 2015-EXERCISE
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  2. A moving straight line always passes through a fixed point (alpha,beta...

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  3. Find equations of all possible circles that touch the y axis at the po...

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  4. A ray of light along the line x-2y+5=0 is reflected from the line 3x-2...

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  7. Find f'(0)where f(x)=|x+1|+|x-1|.

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  8. Prove that (2sqrt3+sqrt5) is an irrational number. Also check whether...

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  9. Let a statement p:/\ABCis right angle triangle,and another check wheth...

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  10. Let a statement p:/\ABCis right angle triangle,and another statement q...

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  11. Let a statement p:/\ABCis right angle triangle,and another statement q...

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  12. Let a statement p:/\ABCis right angle triangle,and another statement q...

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  13. Find the standard deviation of the diameters of the circles given in t...

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  16. Find the domain and range of the function f(x)=x/(x^2-5x+4)

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  17. If tan (theta/2)=tan^3 (phi/2)and tanphi=2tanalpha,then prove that the...

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  18. If a/2=b/3 =c/4 =(3a-ab+4c)/p, then find the value of p.

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