2 years ago

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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