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The number of solutions of the equation ...

The number of solutions of the equation `tanx+secx=2cosx` lying in the interval `[0,2pi]` is 0 (b) 1 (c) 2 (d) 3

A

0

B

1

C

2

D

3

Text Solution

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-TRIGONOMETRIC EQUATIONS AND INEQUATIONS-Exercise
  1. Find the general values of theta satisfying tan theta + tan ((3pi)/...

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  2. If sin theta+ cos theta = sqrt(2) cos theta, (theta ne 90^(@)) then v...

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  3. The number of solutions of the equation tanx+secx=2cosx lying in the i...

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  4. If "cot" theta "cot" 7 theta + "cot" theta "cot" 4 theta + "cot" 4 the...

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  5. Find the number of value of x in [0,5pi] satisying the equation 3 cos...

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  6. The number of values of x in [0, 2 pi] that satisfy "cot" x -"cosec"x ...

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  7. "cot" theta = "sin" 2 theta, theta ne n pi, n in Z, "if" theta equals

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  8. The solution of the equation "cos"^(2) x-2 "cos" x = 4 "sin" x - "si...

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  9. If 1/6sintheta,costheta,tantheta are in GdotPdot, then theta is equal ...

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  10. Number of solutions of the equation "sin" 2 theta + 2 = 4"sin" theta +...

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  11. If "sin" 2x, (1)/(2) " and cos" 2x are in A.P., then the general valu...

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  12. The number of points of intersection of the curves 2y =1 " and " y = "...

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  13. For m ne n, if "tan" m theta = "tan" n theta, then different values of...

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  14. If cos p theta+cos q theta=0, then prove that the different values of ...

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  15. Solutions of the equations "cos"^(2) ((1)/(2) px)+ "cos"^(2) ((1)/(2) ...

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  16. Solve sec theta-1=(sqrt(2)-1) tan theta.

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  17. If "sec"^(2) theta = sqrt(2) (1-"tan"^(2) theta), "then" theta=

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  18. The most general solution of the equation 8"tan"^(2) (theta)/(2) = 1...

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  19. Solve sin 2x+cos 4x=2.

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  20. If "2sec" (2alpha) = "tan" beta + "cot"beta, then one of the value of ...

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