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For any triangle ABC, If B=3C, show tha...

For any triangle ABC, If `B=3C`, show that `cosC=sqrt((b+c)/(4c)) and sinA/2=(b-c)/(2c)`

A

`sinC`

B

`cosC`

C

`cotC`

D

`tanC`

Text Solution

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The correct Answer is:
B
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