K KZ New member Joined Apr 12, 2007 Messages 3 Apr 12, 2007 #1 Can you please help? I dont understand how to do this problem. Simplify the trigonometric expression. tanXcosX Thanks for your help!!!
Can you please help? I dont understand how to do this problem. Simplify the trigonometric expression. tanXcosX Thanks for your help!!!
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Apr 12, 2007 #2 Remember the popular identity \(\displaystyle \L\\tan(x)=\frac{sin(x)}{cos(x)}\)
