Posted by stacey graham on Friday, March 26, 2010 at 12:16am.
(s^2/c^2)( 1+ c^2/s^2) = ? 1/(1-s^2)
s^2/c^2 + 1 = ? 1/(c^2)
(s^2+c^2)/c^2 = = ? 1/(c^2)
1/c^2 = 1/c^2
tanx + cotx/ tanx-cotx = (1/sin^2x-cos^2x)
I can not tell what the numerators and denominators are.
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