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In any triangle ABC, which of the follow...

In any triangle ABC, which of the following is false?

A

a=b cos C - c cos B

B

`sin A + sin B gt sin C`

C

`b^(2) = c^(2) + a^(2)-2ca cosB`

D

The formula `a^(2) = b^(2) - 2bc cosA` can be deduced using the formula of the form `a= b cos C + c cosB`

Text Solution

Verified by Experts

The correct Answer is:
A
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