Establish the identity

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15.95K viewsNovember 27, 2017trigonometry

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admin 60 November 26, 2017 0 Comments

Establish the identity;

$\left ( 1 + cos\alpha \right )tan\frac{\alpha }{2} = sin \alpha$

score 0 · Answer 1 · 2017-11-27T18:24:27+00:00

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