Posted by
**Blaire** on
.

given that sinx=3/4 and cosy=-5/13 and both x and y are in quadrant II, find the exact value of cos(x-y)

Thursday

March 30, 2017
Posted by
**Blaire** on
.

given that sinx=3/4 and cosy=-5/13 and both x and y are in quadrant II, find the exact value of cos(x-y)

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