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Prove that cot(cosec^-1x) = sqrt(x^2 - 1...

Prove that `cot(cosec^-1x) = sqrt(x^2 - 1) for x ge 1`

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PRADEEP PUBLICATION-INVERSE TRIGONOMETRIC FUNCTIONS-EXERCISE
  1. Prove that tan(sec^-1 x) = sqrt(x^2 - 1) for x le 1

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  2. Prove that cosec^-1 x = cot^-1sqrt(x^2 -1) for x ge 1

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  3. Prove that cot(cosec^-1x) = sqrt(x^2 - 1) for x ge 1

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  4. Prove that : sec^2 (tan^(-1)2) + cosec^2 (cot^(-1) 3) = 15

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  5. Find the values of tan^2 (Sec^-1 2) + cot^2 (cosec^-1 3)

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  6. Write down the value of sin^-1{sin((7pi)/6)}

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  7. If sin^-1 x + sin^-1 y = - pi, then find the values of x and y

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

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  9. Find the value of cos^-1(cos(-pi/4))

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  10. What ist he domain of the functio nf(x) = sin^-1 x + sec^-1 x?

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  11. What is the domain of the function f(x) = cos^-1 x + sec^-1 x?

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  12. Find the range of the function f(x) = cos^-1 x + cosec^-1 x.

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  13. Write down the domain of the function f(x) = tan^-1 x + cot^-1 x.

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  14. Find the range of the function sec^-1 x + cosec^-1 x, |x| ge 1.

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  15. If cosec^-1 x = sin^-1 (1/x) for all x in S, then find the set S.

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  16. If sec(1/x) = cos^-1 x for all x in A, then find the set A.

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  17. Find the value of sin^-1 (cos(sin^-1x)) + cos^-1 (sin (cos^-1 x))

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  18. If cot^-1 x = tan^-1(1/x) for all x in S, then find the set S.

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  19. Find the value of tan (sec^-1(-1))

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  20. Write down the value of sec (cosec^-1 x), where |x| > 1

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