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Tangents ar drawn to y= cos x from origi...

Tangents ar drawn to `y= cos x `from origin then points of contact for these tangents will always lie on :

A

`(1)/(x ^(2))=(1)/(y ^(2)) +1`

B

`(1)/(x ^(2))=(1)/(y ^(2)) -2`

C

`(1)/(y ^(2))=(1)/(x ^(2)) +1`

D

`(1)/(y ^(2))=(1)/(x ^(2)) -2`

Text Solution

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The correct Answer is:
C
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VK JAISWAL ENGLISH-APPLICATION OF DERIVATIVES -EXERCISE (SUBJECTIVE TYPE PROBLEMS)
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