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In any Delta ABC,((a+b+c)(b+c-a)(c+a-b)(...

In any `Delta ABC,((a+b+c)(b+c-a)(c+a-b)(a+b-c))/(4b^2c^2)`=

A

`cos^2 A`

B

`cos^2 B`

C

`sin^2A`

D

`sin^2 B`

Text Solution

Verified by Experts

The correct Answer is:
C
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