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anonymous
 5 years ago
what is plane trig proof for
(1/1+cosx) + (1/1cosx) = 2csc^2x
anonymous
 5 years ago
what is plane trig proof for (1/1+cosx) + (1/1cosx) = 2csc^2x

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Well, I have never heard of a plane proof, if that is a proper proof. Otherwise, this is a very simple identity to show.
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