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Solve the following equation: cos4theta=...

Solve the following equation: `cos4theta=cos2theta`

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Solve the following equation: costheta+sintheta=cos2theta+sin2theta

Solve the following equation: sin3theta-sintheta=4cos^2theta-2

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RD SHARMA ENGLISH-TRIGONOMETRIC EQUATIONS-All Questions
  1. Solve the following equation: \ 2cos^2theta-5\ costheta+2=0

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  2. Solve the following equation: \ 4sin^2theta-8costheta+1=0

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  3. Solve the following equation: cos4theta=cos2theta

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  4. Solve the following equation: costheta+cos2theta+cos3theta=0

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  5. Solve the following equation: sintheta+sin5theta=sin3theta

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  6. Solve the following equation: costheta+sintheta=cos2theta+sin2theta

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  7. Solve the following equation: sintheta+sin2theta+sin3theta+sin4theta=0

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  8. Solve the following equation: sin3theta-sintheta=4cos^2theta-2

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  9. Solve the following equation: costheta+cos3theta-cos2theta=0

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  10. Solve the following equation: costheta\ cos2theta\ cos3theta=1/4

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  11. Solve the following equation: sintheta+sin2theta+sin3theta=0

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  12. Solve the following equation: sin2theta-sin4theta+sin6theta=0

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

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

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

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

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

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

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

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

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