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The length of the tangent of the curve x...

The length of the tangent of the curve `x=acos^3theta,y=asin^3theta(a>0)` is

A

`asin^2theta`

B

`asin^2theta|tan theta|`

C

`asin^2theta|costheta|`

D

`asin^4|sectheta|`

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1B (TANGENT AND NORMAL)
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  11. The length of subtangent to y=be^(x//a) at any point is

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  18. The length of the subtangent of the curve 2x^2+3xy-2y^2=8 at (2, 3) is

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  19. The length of subtangent to x=a(theta+sintheta),y=a(1-costheta) at the...

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