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Solution set of inequality (cot^-1x)^2-5...

Solution set of inequality `(cot^-1x)^2-5cot^-1x+6>0` is (A) `(cot 3 , cot2)` (B) `(-oo, cot3) uu (cot2 , oo)` (C) `(cot2, oo)` (D) None of these

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ALLEN-INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
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  2. If alpha and beta are the roots of the equation x^2+4x + 1=0(alpha > ...

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  3. Solution set of inequality (cot^-1x)^2-5cot^-1x+6>0 is (A) (cot 3 ,...

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  4. Solve the following inequality: sin^(-1) x > cos^(-1) x

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  5. Solve the following system of inequations: 4(tan^(-1)x)^2-8tan^(-1)x+3...

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  6. Find the number of positive integral solution of the equation tan^(-1)...

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  7. Find all values of k for which there is a triangle whose angles have m...

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  8. Find the range of the function f(x)=(sin^(-1)x)^3+(cos^(-1)x)^3dot

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  9. The number of real solutions of the equation sqrt(1+cos2x)=sqrt(2)sin^...

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  10. Thee value of cos ^(−1 )x+cos ^(−1)( x/2​ + root(3-x^2)/2−x2 ​ ), wh...

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  11. The number of solutions of the equation |y|= cos x and y = cot^-1 (cot...

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  13. Find the set of values of 'a' for which the equation 2cos^-1 x = a+a^2...

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  15. The trigonometric equation sin^(-1) x = 2 sin^(-1) a has a solution fo...

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  18. The value of cot(cose c^(-1)5/3+tan^(-1)2/3) is: (1) 6/(17) (2) 3/...

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  19. If x, y, z are in A.P. and t a n^(-1)x ,""t a n^(-1)y"" and ""t a n^...

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  20. Let tan^(-1) y = tan^(-1) x + tan^(-1) ((2x)/(1 -x^(2))), " where " |x...

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