यदि x = a sec theta . cos phi , y = b se...

यदि `x = a sec theta . cos phi , y = b sec theta . sin phi` तथा `z = tan theta` हो , तो `x^2/a^2+y^2/b^2` का मान है

A

`z^2/c^2`

B

`1-z^2/c^2`

C

`z^2/c^2-1`

D

`1+z^2/c^2`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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