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If cosx=k has exactly one solutions in [...

If `cosx=k` has exactly one solutions in `[0,2pi]` , then write the values `(s)ofk` .

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Statement-1: The general solution of tan 5theta = cot 2theta is theta = (npi)/7 + pi/14 , n in Z . and Statement-2: The equation cos theta =k has exactly two solutions in [0, 2pi] for all k, -1 le k le 1 .

RD SHARMA ENGLISH-TRIGONOMETRIC EQUATIONS-All Questions
  1. If a is any real number, the number of roots of cotx-t a nx=a in the f...

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

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

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

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

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

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

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

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

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

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

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

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  13. Solve the following trigonometric equation: tan3theta=-1

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  14. Solve the following equation: sin2theta+costheta=0

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  15. Solve the following equation: sin3theta+cos2theta=0

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  16. Solve the following equation: sin2theta + sin4theta + sin6theta ...

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  17. Find the general solutions of the following equation: sintheta=1/2

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  18. Find the general solutions of the following equation: cos theta=-(sqrt...

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  19. Find the general solutions of the following equation: cos e ctheta=\ -...

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  20. Find the general solutions of the following equation: s e ctheta=sqrt(...

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