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The value of tan^(-1)1+tan^(-1)2+tan^(-...

The value of `tan^(-1)1+tan^(-1)2+tan^(-1)3` is :

A

0

B

1

C

`pi`

D

`-pi`

Text Solution

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-INVERSE TRIGONOMETRIC FUNCTIONS -Exercise
  1. If -1 le x le -1/2, then sin^(-1)(3x-4x^3) equals

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  2. sin^(-1)(sin10) is a+bpi then |a+b| is

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  3. The value of tan^(-1)1+tan^(-1)2+tan^(-1)3 is :

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  4. The value of sin^(-1)(cos((33pi)/5)) is (a) (3pi)/5 (b) -pi/(10) (c) p...

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  5. Find the smallest and the largest values of tan^(-1) ((1 - x)/(1 + x))...

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  6. The least and the greatest values of (sin^(-1)x)^3+(cos^(-1)x)^3 are (...

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  7. If a le 1/32 then the number of solution of (sin^(-1) x)^(3) +(cos^(...

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  8. If x takes negative permissible value then sin^(-1)x=

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  9. If -1 le x le -(1)/sqrt(2) then sin^(-1)2xsqrt(1-x^(2)) equals

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  10. If (1)/sqrt(2) le x le 1 then sin^(-1) 2xsqrt(1-x^(2)) equals

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  11. If 0 le x le 1 then cos^(-1)(2x^(2)-1) equals

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  12. If -1 le x le 0 then cos^(-1)(2x^(2)-1) equals

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  13. If -1/2 le x le 1/2 then sin^(-1)3x-4x^(3) equals

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  14. If 1/2 le x le 1 then sin^(-1)3x-4x^(3) equals

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  15. If -1 le x le -1/2, then sin^(-1)(3x-4x^3) equals

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  16. If 1/2 le x le 1 then cos^(-1)(4x^(3)-3x) equals

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  17. if -1/2 le x le 1/2 then cos^(-1)(4x^(3)-3x) equals

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  18. if -1 le x le -1/2 then cos^(-1)(4x^(3)-3x) equals

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  19. If 0 lt x lt 1 then tan^(-1) (2x)/(1-x^(2)) equals

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  20. If x in (1,oo) then tan^(-1)((2x)/(1-x^(2))) equals

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