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Reil [10]
3 years ago
10

If A+B+C=180 Prove that Sin2A+Sin2B+Sin2C=4sinASinBSinC​

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
3 0

73.246.170.19673.246.170.196

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Can anyone here help me out?
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Answer:

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