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In a ฮ”๐ด๐ต๐ถ, show that ฮฃ(๐‘+๐‘)cos๐ด=2๐‘  where ๐‘ =๐‘Ž+๐‘+๐‘2

In a ฮ”๐ด๐ต๐ถ, show that ฮฃ(๐‘+๐‘)cos๐ด=2๐‘  where ๐‘ =๐‘Ž+๐‘+๐‘2

Grade:12

1 Answers

Arun
25750 Points
6 years ago
Dear student
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There are some characters that are completely not understandable.
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So please check this and repost or you can also attch an image.
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Regards
Arun (askIITians forum expert)

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