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

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

A

` tan^2 theta `

B

` sec^2 theta `

C

` sec theta `

D

` | sec theta |`

Text Solution

Verified by Experts

The correct Answer is:
D
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