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If sin2theta=cos3theta"and"theta is an a...

If `sin2theta=cos3theta"and"theta` is an acute angle, then `sintheta` equal

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. Number of roots of the equation (3+cos"x")^2=4-2sin^8x ,x in [0,5pi]a ...

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  2. The side of a triangle inscribed in a given circle subtends angles alp...

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  3. If sin2theta=cos3theta"and"theta is an acute angle, then sintheta equa...

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  4. With usual notations, in triangle A B C ,acos(B-C)+bcos(C-A)+c"cos"(A-...

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  5. 3(sintheta-costheta)^4+6(sintheta+costheta)^2+4(sin^6theta+cos^6theta)...

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  6. If tantheta=sqrt n, where n in N, >= 2, then sec2theta is always (a)...

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  7. The value of cosy cos(pi/2-x)-cos(pi/2-y)cosx+sinycos(pi/2-x)+cosxsin(...

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  8. If P is a point on the altitude AD of the triangle ABC such the /C B P...

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  9. If theta1 and theta2 are two values lying in [0,2pi] for which t a n...

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  10. If tantheta=-4/3,then sintheta is

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  11. Let ABC be a triangle with /A=45^0dot Let P be a point on side BC with...

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  12. If costheta-sintheta=1/5, where 0 lt theta lt pi/4, then Column I Colu...

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  13. One of the general solutions of sqrt(3) cos theta-3 sin theta=4 sin 2 ...

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  14. Let theta in ( 0, pi/4) and t1 = (tan theta)^(tan theta),t2 = (tan th...

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  15. Sum of roots of the equation x^4-2x^2sin^2(pix/2)+1=0 is 0 (b) 2 ...

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  16. Let n be a positive integer such that sinpi/(2n)+cospi/(2n)=(sqrt(n))/...

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  17. Let O be the circumcenter, H be the orthocentre, I be the incenter, an...

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  18. sec^2theta=4xy/(x+y)^2 is true if and only if

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  19. Prove that in a A B C ,sin^2A+sin^2B+sin^2C<=9/4dot

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  20. The number of solution of the pair of equations 2sin^2theta-cos2theta=...

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