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lesya [120]
2 years ago
10

Simplify square root of (1-cos)(1+cos)/cos^2

Mathematics
1 answer:
Pavel [41]2 years ago
3 0
I hope this helps you



(1-cosx)(1+cosx)=1+cosx-cosx-cos²x=1-cos²x=sin²x


sin²x
____
cos²x


tg²x
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