Posted by **Amber** on Tuesday, October 11, 2011 at 1:45pm.

Find tanx if sinx = 3/4 and x is in quadrant II.

- trig -
**Steve**, Tuesday, October 11, 2011 at 3:27pm
in Q II y is positive and x is negative

sin x = 3/4 means that y = 3, r = 4, x = -sqrt(7)

So, tan = y/x = -3/sqrt(7)

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