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Prove that ((a + b + c) (b + c -a) (c + ...

Prove that `((a + b + c) (b + c -a) (c + a -b) (a + b -c))/(4b^(2) c^(2)) = sin^(2)`

A

`cos^(2)A`

B

`sin^(2)A`

C

`cosA cosB cosC`

D

`sinA sinB sinC`

Text Solution

Verified by Experts

The correct Answer is:
B
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