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The general solution of the equation 7co...

The general solution of the equation `7cos^2theta+3sin^2theta=4` is `theta=2npi+-pi/6,\ n Z` b. `theta=2npi+-(2pi)/3,\ n Z` c. `theta=2npi+-pi/3,\ n Z` d. none of these

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RD SHARMA ENGLISH-TRIGONOMETRIC EQUATIONS-All Questions
  1. Solve the following equation: sin2theta-sin4theta+sin6theta=0

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  2. Solve the following equation: t a ntheta+t a n2theta+t a n3theta=0

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  3. Write the general solution of tan^2 2x=1.

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  4. Solve the equation 5cos^2 theta+7sin^2theta-6=0

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  5. Writhe the number of values of theta\ in\ [0,2pi] thast satisfy the eq...

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  6. If 2sin^2theta=3\ costheta,\ w h e r e\ 0lt=thetalt=2pi, then find the...

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  7. The smallest value of theta satisfying the equation sqrt(3)(cottheta+t...

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  8. If costheta+sqrt(3)sintheta=2, then theta= a. pi//3 b. 2pi...

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  9. The general solution of the equation 7cos^2theta+3sin^2theta=4 is thet...

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  10. A solution of the equation cos^2theta+sintheta+1=0 lies in the interva...

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  11. The number of solution in [0,pi//2] of the equation cos3xtan5x=sin7x i...

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  12. The general value of x satisfying the equation satisfying the equati...

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  13. The smallest positive angle (in degree) which satisfies the equation 2...

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  14. If 4sin^2theta=1, then the values of theta are 2npi+-pi/3,\ n in Z b....

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  15. If cottheta-tantheta=sectheta , then theta is equal to

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  16. A value of theta satisfying costheta+sqrt(3)\ sin theta=2 is a.(5pi)/3...

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  17. If sqrt(3)costheta+sintheta=2 , then general value of theta is:

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  18. General solution of tan5theta=cot2theta is a. (npi)/7+pi/2^(\ ) b. the...

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  19. The solution of the equation cos^2theta+sintheta+1=0 lies ...

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  20. If cos theta=-1/2 and 0^@ < theta < 360^@ then the solutions are

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