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If 4nalpha=pi, then the numerical value ...

If `4nalpha=pi`, then the numerical value of `tanalpha, tan2alpha,tan3alpha.....tan(2n-1)alpha` is equal to

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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
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  2. If M be the maximum value of 1+2sinx+3cosx, then 3M-10 is equal to

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  3. If 4nalpha=pi, then the numerical value of tanalpha, tan2alpha,tan3alp...

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  7. If cosx=-3./5 x lies in the third quadrant fins the values of other fi...

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  8. If tanalpha=m/(m+1) , tanbeta=1/(2m+1) prove that alpha+beta=pi/4

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  9. If (sin(theta+alpha))/(cos(theta-alpha))=(1-m)/(1+m) prove that tan((p...

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  10. Prove that cosalpha+cosbeta+cosgamma+cos(alpha+beta+gamma)= 4cos((alph...

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  11. prove that (sinA+sin3A+sin5A+sin7A)/(cosA+cos3A+cos5A+cos7A)=tan4A

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  15. If tan(alpha/2)=sqrt((a-b)/(a+b)) tan(beta/2) prove that cosalpha=(aco...

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  16. If tanalpha=1/7 ,sinbeta=1/sqrt10 prove that alpha+2beta=(pi/4) where ...

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  17. Show that 2^(sinx)+2^(cosx)ge2^(1-(1/sqrt2))

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  19. If A+B+C=180^@ and tanA +tan B+tan Cgek where A,B,C are acute angles t...

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  20. The value of sin theta and tan theta if cos theta=(-12/13) and theta l...

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