LS=(tanx-tany)/(cotx-coty)

LS=-tanxtany

If possible try to avoid use of the tan compound formula.

Thanks!

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- November 20th 2010, 08:32 PMyoungb11Solving a trig identity
LS=(tanx-tany)/(cotx-coty)

LS=-tanxtany

If possible try to avoid use of the tan compound formula.

Thanks! - November 20th 2010, 08:33 PMdwsmith
What are you trying to do?

- November 21st 2010, 12:08 AMred_dog

- February 2nd 2011, 02:53 AMericpepin
Hey where is the R.H.S. and what you trying to prove?

- February 3rd 2011, 08:54 AMArchie Meade