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Solve that following equations : 5cos^2...

Solve that following equations : `5cos^2theta+7sin^2theta-6=0`

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Solve the following equation (i) 5cos2theta+2cos^(2)"(theta)/(2)+1=0 , -(pi)/(2) lt theta lt (pi)/(2) (ii) sin7theta+sin4theta+sintheta=0 , 0 le theta le pi (iii) tantheta+sectheta=sqrt(3) , 0 le theta le 2pi

RD SHARMA ENGLISH-TRIGONOMETRIC EQUATIONS-All Questions
  1. Write the number of solutions of the equation2sinx-3cosx=7.

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  2. Solve that following equations : 5cos^2theta+7sin^2theta-6=0

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  3. Solve that following equations : sinx-3sin2x+sin3x=cosx-3cos2x+cos3x

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  4. Write the set of values of a for which the equation sqrt(3)sinx-cosx=a...

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  5. Solve that following equations : cottheta+t a ntheta=2

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  6. Solve that following equations : sec x cos 5x+1=0, 0 lt x le pi/2 f...

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  7. Solve that following equations : 2sin^2theta=3costheta,0lt=thetalt=p...

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  8. Solve that following equations: tanθ+tan2θ+tan3θ=tanθtan2θtan3θ

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  9. Solve the following equation : tanФ+tan2Ф+√3tan Фtan2Ф = √3

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  10. Solve: sqrt(2) sec theta+t a ntheta=1

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  11. Solve the equation: tantheta+tan2theta+tanthetatan2theta=1

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  12. If secxcos5x+1=0 , where 0ltxle(pi)/(2), then find the value of x.

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  13. If 3tan(theta+15^@)=tan(theta+15^@), then theta is equal to n in Z)

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  14. Solve that equations : tantheta + tan(theta+(pi)/3) + tan(theta+(2pi)/...

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  15. If tan ptheta- tan q theta = 0, then the series formed by values of t...

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  16. The equation 3cosx+4sinx=6 has ...... solution.

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  17. Solve that equation : sinmtheta+sinntheta=0.

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  18. Solve: 4sinxsin2xsin4x=sin3x

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  19. Solve: sin3alpha=4sinalphasin(x+alpha)sin(x-alpha),w h e r ealpha!=npi...

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  20. Solve: 2sin^2x+sin^2 2x=2

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