Got stuck on this one.

If tan2x = -24/7, find the values of sinx and cosx

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- Dec 8th 2010, 04:59 PMsun95Solving trig equations
Got stuck on this one.

If tan2x = -24/7, find the values of sinx and cosx - Dec 8th 2010, 05:03 PMpickslides
$\displaystyle \tan 2x = \frac{\sin 2x}{\cos 2x} = \frac{-24}{7}$

and $\displaystyle \sin^22x+\cos^22x=1$ - Dec 8th 2010, 05:06 PMsun95
Oh now I feel silly lol, I think after doing the first 30 of 50 homework questions of these the brain starts to slip a little. Thanks!