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If x= a cos^(3) theta, y= a sin^(3) thet...

If `x= a cos^(3) theta, y= a sin^(3) theta`, then `1 + ((dy)/(dx))^(2)` is______

A

`tan theta`

B

`tan^(theta)`

C

`sec^(theta)`

D

10

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The correct Answer is:
C
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HIMALAYA PUBLICATION-COMMON ENTRANCE TEST -2015-QUESTION BANK
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