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Given that 1-costheta=2sin^2(theta/2) an...

Given that `1-costheta=2sin^2(theta/2)` and `1+costheta=2cos^2(theta/2)`deduce the value of `tan(22 1/2)^@`

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A N EXCEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
  1. Show that tan 15^@ = 2 - sqrt3

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  2. Given that 1-costheta=2sin^2(theta/2) and 1+costheta=2cos^2(theta/2) p...

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  3. Given that 1-costheta=2sin^2(theta/2) and 1+costheta=2cos^2(theta/2)de...

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  4. Writing 4A=2xx2A prove that sin4A=4sinAcos^3A-4cosAsin^3A

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  5. if sin4A=4sinAcos^3A-4cosAsin^3A Dividing numerator and denominator on...

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  6. cosecA=1/sinA and cotA=cosA/sinA prove cosecA-cotA=tan(A/2)

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  7. Given that 1-costheta=2sin^2(theta/2) and 1+costheta=2cos^2(theta/2)de...

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  8. Given that tantheta=a/b find sin2theta and cos2theta

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  9. Given that tantheta=a/b prove that bcos2theta+asin2theta=b

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  10. Solve 2cos^2t+3sint=0

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  11. Solve sin2theta+costheta=0

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  12. solve sqrt3 costheta+sintheta=sqrt2

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  13. Find the principle and general solution of the following. tan x = s...

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  14. Find the principal and general solutions of the following equations s...

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  15. Find the principal and general solutions of the following equations ...

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  16. Find the principle and general solution of the following. cosec x =...

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  17. Find the general solution of the following equations cos 4x = cos 2x

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  18. Find the general solution of the following equations cos 3x+cos x-co...

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  19. Find the general solution of the following equations sin 2x+ cos x =...

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  20. Find the general solutions for each of the following equations sec^2 2...

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