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Prove that the general solution of cos"t...

Prove that the general solution of `cos"theta"=cos"alpha"` is given by : `theta=2npi+-alpha,` where `n in Zdot`

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RD SHARMA ENGLISH-TRIGONOMETRIC EQUATIONS-All Questions
  1. Find the general solutions of the following equations: tan2theta=0 ...

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  2. Prove that the general solution of sin θ= sin α, is given by : theta=n...

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  3. Prove that the general solution of cos"theta"=cos"alpha" is given by :...

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  4. Prove that the general solution of tan"theta"=tan"alpha" is given by :...

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  5. Solve the following trigonometric equations: sin(theta/2)=-1 (ii) cos(...

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  6. Solve that following equation: cottheta+t a ntheta=2

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  7. Write the number of solutions of the equation t a nx+s e cx=2cosx in t...

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  8. The number of values of x in the interval 0,5pisatisfying the equation...

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  9. If a is any real number, the number of roots of cotx-t a nx=a in the f...

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  10. Solve: sqrt(3) cos theta+sintheta=sqrt(2)

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  11. If cosx=k has exactly one solutions in [0,2pi] , then write the values...

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  12. Write the number of points in intersection of the curves 2y=-1a n dy=c...

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  13. Find the general solutions of the following equation: sintheta=(sqrt(3...

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  14. Find the general solutions of the following equation: 2\ sin\ theta+1=...

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  15. Find the general solutions of the following equation: cosec\ theta=2

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  16. Find the general solutions of the following equation: costheta=1/2

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  17. Find the general solutions of the following equation: \ cos3theta=\ -1...

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  18. Find the general solutions of the following equation: sqrt(3)sec2theta...

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  19. Solve the following trigonometric equation: tantheta=1/(sqrt(3))

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  20. Solve the following trigonometric equation: \ t a n2theta=sqrt(3)

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