Last edited by mr fantastic; February 26th 2011 at 12:52 PM.
Follow Math Help Forum on Facebook and Google+
Originally Posted by arm Let .
Find: draw a reference triangle in quad III, use the given to determine the value of , then use the ratio identity to find , finally use the difference identity for tangent to finish.
btw ... you need to be sharing what you've attempted on all those other posts.
View Tag Cloud