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Determine all possible values of 'a' for which the equation `cos^4 x - (a +2) cos^2 x-(a+3) = 0` will have real solution

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PATHFINDER-TRIGONOMETRIC EQUATION AND INVERSE-QUESTION BANK
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  3. Determine all possible values of 'a' for which the equation cos^4 x - ...

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  4. Find the coordinates of the points of intersection of the curves y = c...

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  6. Solve for x : 8^(1 + abs(cos x) +abs( cos^2 x) + abs(cos^3 x)+.....inf...

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  9. Find the number of solutions of (x , y),which satisfy absy = sin x and...

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  10. If 0lt thetalt 2pi, then the intervals of values of theta for which 2...

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  11. The no. of solution(s) of the equation 3(sinx+cosx)-2(sin^3x+cos^3x)=8...

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  12. The number of all possible ordered pairs (x, y), x, y in R satisfying ...

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  13. Find the general solution of the equation sin 3 alpha = 4 sin alpha si...

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  14. The general solution of the equation 7cos^2x+sinxcosx-3=0 is given by

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  15. The value of tan^-1 1+tan^-1 2+ tan^-1 3 is

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  16. If sin^-1x+sin^-1y=(2pi)/3, then cos^-1x+cos^-1y=

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  17. sincot^-1 costan^-1 2=

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  18. The value of sin^-1(cos(sin^-1x))+cos^-1(sin(cos^-1x)) where absx le 1...

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  19. If sin^-1(sin5) gt x^2-4x, then find number of all possible integer va...

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  20. If tan((alpha pi)/4)=cot((beta pi)/4) then

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