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If in triangle ABC, a, c and angle A are...

If in triangle ABC, a, c and angle A are given and `c sin A lt a lt c`, then (`b_(1) and b_(2)` are values of b)

A

(a) `b_(1)+ b_(2)=2c cos A`

B

(b) `b_(1)+b+_(2)=c cos A`

C

(c) `b _(1)b_(2)=c^(2) -a^(2)`

D

(d) `b _(1)b_(2) =c^(2) +a^(2)`

Text Solution

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The correct Answer is:
A, C
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