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Sides of triangle ABC are in A.P. if a ...

Sides of triangle ABC are in A.P. if `a < min {b, c}` then `cos A` is equal to

A

`(3c-4b)/(2b)`

B

`(3c-4b)/(2c)`

C

`(4c-3b)/(2b)`

D

`(4c-3b)/(2c)`

Text Solution

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The correct Answer is:
D
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ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Single Option Correct Type Questions)
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