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The general solution of 4costheta=sqrt(1...

The general solution of `4costheta=sqrt(10-2sqrt(5))` is

A

`2npipm(3pi)/(10)`

B

`npi+(-1)^(n).(3pi)/(10)`

C

`npipm(pi)/(10)`

D

`2npipm(pi)/(5)`

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AAKASH SERIES-TRIGONOMETRIC EQUATIONS-Practice Exercise
  1. The solution set of sin 3 theta = (sqrt(10 + 2sqrt(5)))/(4) is

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  2. If sin(theta-25^(@))=-(sqrt(3))/(2) then theta =

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  3. The general solution of 4costheta=sqrt(10-2sqrt(5)) is

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  4. The general solution of cot(2theta)=sqrt(2)+1 is

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  5. The most general value of theta satisfying the equations costheta=-(1)...

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  6. If sqrt(3) cos theta - sin theta = 1 then theta =

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  7. If 4cos^(2)x-2(1+sqrt(3))cosx+sqrt(3)=0 the solution set in [0,pi] is

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  8. The solution of the equation cos^(2)theta+sintheta+1=0 lies in the int...

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  9. If rsintheta=3andr=4(1+sintheta) where 0ltthetale2pi then theta =

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  10. The general solution of sin^(2)x-2 cos x +(1)/(4)=0 is

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  11. The equation 2Cos^(-1)x=Cos^(-1)(2x^(2)-1) is satisfied by

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  12. The solution set of the equation sin3theta=4sintheta(sin^(2)x-sin^(2...

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  13. The values of P for which the difference between the roots of the equa...

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  14. The number of solutions of the equation sin5thetacos3theta=sin6thetaco...

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  15. If cosec x = 1 + cot x, then x =

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  16. The number of values of y in [-2pi,2pi] satisfying the equation |sin2x...

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  17. If cot theta - tan theta = sec theta, then theta =

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  18. If tantheta+sectheta=sqrt(3), then the principal value of (theta+(pi)/...

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  19. If tantheta+sectheta=sqrt(3), then the principal value of (theta+(pi)/...

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  20. If 3costheta+4sintheta=lambda has a solution find the range of lambda.

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