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In DeltaABC,"if "a=1,b=2,angleC=60^(@),"...

In `DeltaABC,"if "a=1,b=2,angleC=60^(@),"then "4Delta^(2)+c^(2)`=

A

6

B

3

C

`sqrt(3)/(2)`

D

9

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Competitive Thinking
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