Mathematics, 13.11.2019 08:31 kayla942783

Cosa=(1/2), sinb=(-12/13); a is in quadrant 1 and b is in quadrant 3. find sin(b/2).

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Cosa=(1/2), sinb=(-12/13); a is in quadrant 1 and b is in quadrant 3. find sin(b/2)....

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