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September 30, 2014

September 30, 2014

Posted by **Lucy** on Saturday, April 19, 2008 at 3:56pm.

Is the answer -sqrt34/5?

Appreciate you checking my anwers.

- Algebra II -
**Damon**, Saturday, April 19, 2008 at 6:33pmcos is - in second quadrant

this is a 3,4,5 right triangle but anyway

3^2 + x^2 = 25

x^2 = 16

x = 4 but actually -4 because in quadrant 2

cos t = -4/5

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