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Solve: 7cos^2theta+3sin^2theta=4...

Solve: `7cos^2theta+3sin^2theta=4`

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RD SHARMA ENGLISH-TRIGONOMETRIC EQUATIONS-All Questions
  1. Solve: sin3alpha=4sinalphasin(x+alpha)sin(x-alpha),w h e r ealpha!=npi...

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  2. Solve: 2sin^2x+sin^2 2x=2

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  3. Solve: 7cos^2theta+3sin^2theta=4

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  4. Write the solution set of the equation (2costheta+1)(4costheta+5)=0 in...

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  5. Find the general solution : sec^2 2x=1-tan2x

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  6. Solve the equation : "tan"^2theta+(1-sqrt(3))tantheta-sqrt(3)=0

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  7. Solve the given equation : 4costheta-3s e ctheta=t a ntheta

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  8. Solve the equations : 2tantheta-cottheta=-1

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  9. Solve the equations : cot^2theta+3/(sin theta)+3=0

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  10. Solve that following equations : 2cos^2theta+3sintheta=0

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  11. If e^(sin x)-e^(-sin x)-4=0 , then x= (a) 0 (b) sin^(-1){(log...

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  12. Solve that following equations : cosectheta=1+cottheta

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  13. Solve that following equations : (sqrt(3)-1)costheta+(sqrt(3)+1)sin t...

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  14. The number of values of thetain[0,2pi] that satisfy the equation sin^...

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  15. Solve the following equation : cottheta+t a ntheta=2

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  16. Solve that following equations : sqrt(3)costheta+ sintheta=1

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  17. Solve that equation : sintheta+sin3theta+sin5theta=0.

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  18. Solve that equation : costheta+cos3theta-2cos2theta=0

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  19. Solve: cottheta +cos e ctheta=sqrt(3)

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  20. Prove that: sin^2theta=sin^2alpha ,thentheta=npi+-alpha,n in Z

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