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If cos 3theta+sin3theta+(2sin2theta-3)(s...

If `cos 3theta+sin3theta+(2sin2theta-3)(sin theta-cos theta)gt0`, then `theta` lies in

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ALLEN-TRIGONOMETRIC EQUATION-All Questions
  1. For the given equation write the general solution tan^2 2x=1

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  2. Find the values of x in the interval [0,2pi] which satisfy the inequal...

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  3. If cos 3theta+sin3theta+(2sin2theta-3)(sin theta-cos theta)gt0, then t...

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

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  5. The number of solutions of the equation (secx)/(1-cosx)=1/(1-cosx) ...

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  6. The number of solutions of equation 2+7tan^2theta=3. 25sec^2theta(0^...

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  7. The number of solutions of the equation tan^2x-sec^10x+1=0 in (0,10) i...

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  8. find the least positive value of theta for which (cos theta+cos 2 thet...

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  9. The number of solutions of sin2x+cos4x=2 in the interval (0,2pi) is (A...

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  10. The complete solution of the equation 7cos^2x+sinxcosx-3=0 is given ...

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  11. If cos(sinx)=0, then x lies in (a) (pi/4,pi/2)uu(pi/2,\ pi) (b) (-pi/4...

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  12. If 0lt=alpha,betalt=90^@ and tan(alpha+beta)=3 and tan(alpha-beta)=2 t...

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  13. If tanA\ "and" \ tanB are the roots of x^2-2x-1=0, then sin^2(A+B) is ...

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  14. If cos2x-3cosx+1=(cos e c\ x)/(cotx-cot2x),\ then which of the foll...

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  15. The solutions of the equation sinx+2sin2x+sin3x=cosx+2cos2x+cos3x in t...

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  16. If x in [-(5pi)/2,(5pi)/2], then the greatest positive solution of 1+s...

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  17. Number of values of x in(-2pi,2pi) satisfying the equation 2^(sin^(2)...

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  18. General solution for |sinx|=cosx is (a) 2npi+pi/4,\ n in I (b) 2npi+-...

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  19. The most general value for which tantheta=-1costheta=1/(sqrt(2))i s(n ...

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  20. If cos^2x+cos^2 2x+cos^2 3x=1 then (a) x=(2n+1)pi/4,\ n in I (b) x=(2...

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