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If x=r cos A cos B, y=rcosAsinB, z=rsin...

If `x=r cos A cos B, y=rcosAsinB, z=rsin A` then `x^(2)+y^(2)+z^(2)=`

A

`r^(2)(sin^(2)A+cos^(2)B)`

B

`r^(2)(cos^(2)A+sin^(2)B)`

C

`r^(2)`

D

`2r^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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