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A circle centered at O has radius 1 and ...

A circle centered at O has radius 1 and contains point A. Segment AB is tangent to the ciecle at A and `angleAOB= theta`. If point C lies on OA, and BC bisects the angle ABO, then OC equals

A

`sectheta(sectheta-tan theta)`

B

`(cos^(2)theta)/(1+sintheta)`

C

`(1)/(1+sintheta)`

D

`(1-sintheta)/(cos^(2)theta)`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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