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View Full Version : Verifying trig identities can someone help me with this please


hines57
Dec 13, 2011, 09:51 PM
(1-cosx)/(1 cosx)=csc^2x-2cscxcotx cot^2x

Unknown008
Dec 14, 2011, 04:05 AM
Multiply the left hand side by a fraction which is equal to 1 and which makes it so that the denominator when you multiply it with (1-cosx)/(1+cosx) gives the difference of two squares in the denominator.