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"Tan"^(-1)(yz)/(xsqrt(x^(2)+y^(2)+z^(2))...

`"Tan"^(-1)(yz)/(xsqrt(x^(2)+y^(2)+z^(2)))+"Tan"^(-1)(zx)/(ysqrt(x^(2)+y^(2)+z^(2)))+"Tan"^(-1)(xy)/(zsqrt(x^(2)+y^(2)+z^(2)))=`

A

`pi`

B

`pi//2`

C

`pi//3`

D

`pi//4`

Text Solution

Verified by Experts

The correct Answer is:
B
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