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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

`pi`

C

`-pi`

D

`-2tan^(-1)3`

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-INVERSE TRIGONOMETRIC FUNCTIONS-ASSIGNMENT (SECTION - B)(OBJECTIVE TYPE QUESTIONS (ONE OPTION IS CORRECT))
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  3. The value of tan^(-1)1+tan^(-1)2+tan^(-1)3 is :

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  5. Prove that: sin^(-1)4/5+sin^(-1)5/(13)+sin^(-1)(16)/(65)=pi/2

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  18. The sum sum(k=1)^oocot^(-1)(2k^2) equals

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  20. Find the sum of infinite series s = sin^(-1) ( 1/sqrt2) + sin ^(-1) ...

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