J Jason76 Senior Member Joined Oct 19, 2012 Messages 1,180 Dec 5, 2013 #1 \(\displaystyle \dfrac{\sin b}{\tan b} = \)Cosby Proof \(\displaystyle \dfrac{\sin b}{\tan b} \rightarrow \dfrac{\sin b}{\dfrac{\sin b}{\cos b}} \) \(\displaystyle \sin b (\dfrac{\cos b}{\sin b}) = \cos b\) Cosby Last edited: Dec 5, 2013
\(\displaystyle \dfrac{\sin b}{\tan b} = \)Cosby Proof \(\displaystyle \dfrac{\sin b}{\tan b} \rightarrow \dfrac{\sin b}{\dfrac{\sin b}{\cos b}} \) \(\displaystyle \sin b (\dfrac{\cos b}{\sin b}) = \cos b\) Cosby
