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If x=secvarphi-tanvarphia n dy=cos e cva...

If `x=secvarphi-tanvarphia n dy=cos e cvarphi+cotvarphi,` then

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. The number of solution the equation cos(theta).cos(pitheta)=1 has 0 ...

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  2. Let A B C be a triangle with incenter I and inradius rdot Let D ,E ,a ...

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  3. If x=secvarphi-tanvarphia n dy=cos e cvarphi+cotvarphi, then

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  4. Prove that 5costheta+3cos(theta+pi/3)+3 lies between -4a n d10.

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  5. The general solution of cosxcos6x=-1 is

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  6. Let ABC be an acute angled triangle whose orthocentre is at H. If a...

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  7. If f(x)=sin^6x+cos^6x , then range of f(x) is

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  8. Which of the following number(s) is/are rational?

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  9. The number of solutions of sum(r=1)^5cosrx=5 in the interval [0,2pi] i...

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  10. The minimum value of atan^2x+bcot^2x equals the maximum value of asin^...

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  11. If a, b and c are in G.P. then prove that <math xmlns="http://www.w3...

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  12. Which of the following statements are always correct (where Q denotes ...

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  13. The greatest value of sin^4theta+cos^4thetai s

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  14. In A B C , the bisector of the angle A meets the side BC at D andthe ...

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  15. Let theta in [0,4pi] satisfy the equation (sintheta+2)(sintheta+3)(sin...

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  16. Prove that: (sin(B-C))/(cosBcosC)+(sin(C-A))/(cosCcosA)+(sin(A-B))/(co...

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  17. Given a right triangle with /A =90^@. Let M be the mid-point of BC. If...

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  18. If f(x)=cos^2theta+sec^2theta, then

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  19. If sinalphasinbeta-cosalphacosbeta+1=0, then prove that 1+cotalphatanb...

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  20. The number of values of x in the interval [0,5pi] satisfying the equat...

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