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If the sides of a triangle ABC are in AP...

If the sides of a triangle ABC are in AP and 'a' is the smallest side, then express cos A in term of b and c.

A

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

B

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

C

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

D

None of these

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ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise For Sesssion 1
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