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tan^(-1)""(x)/(y)-tan^(-1)""(x-y)/(x+y)...

`tan^(-1)""(x)/(y)-tan^(-1)""(x-y)/(x+y)`

A

`(pi)/(4)`

B

`pi`

C

`0`

D

`(pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Competitive Thinking
  1. Solve tan^(-1)2x+tan^(-1)3x=pi/4.

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  2. tan ^(-1) ""(x-1)/(x-2) + tan ^(-1) ""(x+1)/(x+2)=(pi)/(4)

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  3. tan^(-1)""(x)/(y)-tan^(-1)""(x-y)/(x+y)

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  4. For DeltaABCifA=tan^(-1)2,B=tan^(-1)3, then C = .

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  5. In triangleABC, if angleA=90^(@)", then "tan^(-1)((c)/(a+b))+tan^(-1)(...

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  6. सिद्ध कीजिए कि cot^(-1)((ab+1)/(a-b))+cot^(-1)((bc+1)/(b-c))+cot^(...

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  7. If tan^-1x+tan^-1y+tan^-1z=pi/2,then

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  8. 4tan^(-1)""(1)/(5)-tan^(-1)""(1)/(239)=

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  9. 2tan^(-1)(cosx)=tan^(-1)(2cosecx)

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  10. If a,b,c be positive real numbers and the value of theta=tan^(- 1)sqrt...

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  11. Find the value of 4tan^(-1)1/5-tan^(-1)1/(70)+tan^(-1)1/(99)

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  12. सिद्ध कीजिए कि 2 tan^(-1)""(1)/(5)+sec^(-1)""(5sqrt(2))/(7)+2tan^...

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  15. If "sin"^(-1)(1)/(3)+"sin"^(-1)(2)/(3)=sin^(-1)x, then the value of x...

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  20. If"sin"{cot^(-1)(x+1)}="cos"(tan^(-1)x), then find xdot

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