Posted by Anonymous on Friday, February 22, 2013 at 7:53pm.
(sec^2x1)(csc^2x1)=1 prove the following identity
ive been stuck on this for hours please help

trig  Steve, Saturday, February 23, 2013 at 4:58am
sec^2(x)1 = tan^2(x)
csc^2(x)1 = cot^2(x)
since cot = 1/tan, it follows immediately

trig  Holly, Tuesday, March 12, 2013 at 7:01pm
A math tutor told me to FOIL it. This is just a hint, or starting point because I don't know for sure.
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