Problems with Problems

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Posted by Jon on November 05, 1998 at 11:29:40:

I just can't seem to do anything to this trig identity
function. The goal is to prove it as an identity.
#1- (note- don't know how to do carat for exponents,
will use ' for up arrow)
csc'4A - cot'4A = csc'2A + cot'2A

I just end up with cos'2A=1/2, can't prove it!!

an email response would be appreciated.

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Re: Problems with Problems Louis Feng 11:34:27 12/27/98 (0)

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Comments: : I just can't seem to do anything to this trig identity : function. The goal is to prove it as an identity. : #1- (note- don't know how to do carat for exponents, : will use ' for up arrow) : csc'4A - cot'4A = csc'2A + cot'2A : I just end up with cos'2A=1/2, can't prove it!! : an email response would be appreciated.

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