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Find the square root of 5-12i...

Find the square root of `5-12i`

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AAKASH INSTITUTE ENGLISH-TRIGNOMETRIC FUNCTIONS -Section-B (Objective Type Questions One option is correct)
  1. Let f(x)=cos10x+cos8x+3cos4x+3cos2x and g(x)=8cosxcos^3(3x) then for a...

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  2. Prove that sum(r=1)^n(1/(costheta+"cos"(2r+1)theta))=(sinntheta)/(2sin...

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  3. Find the square root of 5-12i

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  4. Given that sum(k=1)^35 sin5k^@ = tan(m/n)^@ , where m and n are relat...

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  5. For -pi/2 lt theta lt pi/2, (sintheta + sin 2theta)/(1+costheta + cos2...

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  6. If A + B + C = pi and sin(A +C/2)= ksin(C/2) , then tan(A/2).tan(B/2)...

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  7. If A+B+C=pi, and cosA=cosB*cosC then tanB*tanC has the value equal to

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  8. If sqrt3 sectheta+2=0 , then principal value of theta may be

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  9. The number of solutions of the equation 2 tan^2theta-7sec theta-2 = 0 ...

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  10. The general solution of the equation tanx+ tan2x + tanx.tan2x= 1 is

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  11. If angles A and B satisfy (1+tanA)(1+tanB)=2, then the value of A +B i...

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  12. The number of solution of the equation tan3x-tan2x-tan3x.tan2x = 1 in ...

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  13. If x in (0, 1), then greatest root of the equation sin2pix=sqrt2cospix...

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  14. The number of solutions of equations 3cos2theta+5costheta =1 in [0,2pi...

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  15. The most general solution of tan theta =-1 and cos theta = 1/(sqrt(2))...

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  16. The number of the solutions of the equation 3sinx + 4cosx-x^2-16 = 0 i...

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  17. Solve sin^(4)x=1+tan^(8)x.

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  18. If theta in (0, 2pi) and 2sin^2theta - 5sintheta + 2 > 0, then the ran...

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  19. if theta int (0,2pi) and 2sin^(2)theta-5sintheta+2 gt 0, then the rang...

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  20. The general solution of the equation tan2theta tan3theta=1 is

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