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Maths-

General

Easy

Question

In $straight triangle A B C comma sum a cos space A equals$

4Rcos $A \cos$ $B \cos$ C
4Rsin $Asin$ $Bsin$ C
2Rsin $Asin$ $Bsin$ C
2Rcos $A \cos$ $B \cos$ C

The correct answer is: 4Rsin $text Asin end text$ $text Bsin end text$ C

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