Posted by stacey graham on Friday, March 26, 2010 at 12:16am.
verify the identity:
tan^2x(1+cot^2x)=1/1sin^2x
Verify the Id:
tanx + cotx/ tanxcotx = (1/sin^2xcos^2x)

trig  Damon, Friday, March 26, 2010 at 7:35am
(s^2/c^2)( 1+ c^2/s^2) = ? 1/(1s^2)
s^2/c^2 + 1 = ? 1/(c^2)
(s^2+c^2)/c^2 = = ? 1/(c^2)
1/c^2 = 1/c^2

needs parentheses  Damon, Friday, March 26, 2010 at 7:50am
tanx + cotx/ tanxcotx = (1/sin^2xcos^2x)
I can not tell what the numerators and denominators are.
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