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The value(s) of theta , which satisfy 3-...

The value(s) of `theta` , which satisfy `3-2\ costheta-4sintheta-cos2theta+sin2theta=0` is/are `theta=2npi; n in I` (b) `2npi+pi/2; n in I` `2npi-pi/2; n in I` (d) `npi: n in I`

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ALLEN-TRIGONOMETRIC EQUATION-All Questions
  1. The number of solution(s) of the equation cos2theta=(sqrt(2)+1)(cos...

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  2. Find all values of theta lying between 0 and 2 pi , satisying the e...

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  3. The value(s) of theta , which satisfy 3-2\ costheta-4sintheta-cos2thet...

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  4. Given that A ,\ B are positive acute angles and sqrt(3)\ sin2A=sin2B...

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  5. The solution(s) of 4cos^2xsinx-2sin^2x=3sinx is/are npi; n in I (b) n...

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  6. If ((1-asinx)/(1+asinx))sqrt((1+2asinx)/(1-2asinx))=1 , is where a in ...

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  7. The general solution of the following equation : 2(sinx-cos2x)-sin2...

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  8. The value(s) of theta, which satisfy the equation : 2cos^3 3theta+4=...

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  9. If x!=(kpi)/2,\ k in I and (cosx)^( sin^2x-3sinx+2=1 , then all solut...

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  10. Using four values of theta satisfying the equation 8cos^4theta+15cos...

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  11. The solution(s) of the equation cos2x sin6x=cos3x sin5x in the int...

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  12. The equation 4sin^2x-2\ (sqrt(3)+1)sinx+sqrt(3)=0 (a) 2 solution in ...

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  13. If cos^2 2x+2cos^2x=1,\ x in (-pi,pi), then x can take the values : +-...

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  14. The solution(s) of the equation sin7x+cos2x=-2 is/are (a)x=(2kpi)/7+...

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  15. Set of values of x in (-pi,\ pi) for which |4 sinx-1|<sqrt(5) is given...

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  16. Find the principal solutions of the equation sin x = -(√3)/2 .

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  17. 2^1|cosx|+|cosx|^(2 dotx)=4\ \ in\ (-pi,pi)

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  18. The solution of tantheta+tan2theta+tan3theta=tanthetatan2thetatan3thet...

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  19. Find the domain of the following real valued functions of real variab...

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  20. Statement - I : The equation sqrt(3)cosx-sinx=2 has exactly one ...

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