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prove: cot(θ/2) sinθ = 1+cosθ

0 votes
i need all steps.
asked Mar 10, 2014 in TRIGONOMETRY by angel12 Scholar

1 Answer

0 votes

The trigonometric equation is image

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image

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image

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image.

answered Mar 28, 2014 by friend Mentor
edited Mar 28, 2014 by friend

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