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In Delta ABC, if b cos theta = c - a ...

In `Delta ABC, if b cos theta = c - a` (where `theta` is an acute angle) , then (c - a) tan ` theta = `

A

`2 sqrt(ca) "cos"(B)/(2)`

B

`2 sqrt(ca) "sin"(B)/(2)`

C

`2 ca "cos" (B)/(2)`

D

`2 ca "sin" (B)/(2)`

Text Solution

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The correct Answer is:
B
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