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I need help with proving identities.. trigonometry.. thanks!

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[(sinθ)/(1+cosθ)] + [(1+cosθ)/(sinθ)] = 2cscθ

trigonometric-identities

asked Feb 26, 2013 in TRIGONOMETRY by rockstar Apprentice

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1 Answer

+1 vote

The trigonometric equation is .

Left hand side identity :

Pythagoras identity : sin² θ + cos² θ = 1.

Reciprocal identity : csc (θ) = 1/sin (θ).

= Right hand side identity.

answered Jul 30, 2014 by lilly Expert

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