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OpenStudy (anonymous):
what is the half angle angle formulas for trig ?
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OpenStudy (mimi_x3):
like the tangent half angle formulae?
OpenStudy (anonymous):
yeah and for cos and sin
OpenStudy (mimi_x3):
you just want the formula? ordo you want to derive it?
OpenStudy (anonymous):
derive !!
OpenStudy (anonymous):
mimi ??
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OpenStudy (mimi_x3):
well|dw:1347187323608:dw|
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