boergoat
Feb 17, 2008, 06:00 PM
verify algebraically
(1+csc x)/(cot x+cos X)=sec x
galactus
Feb 17, 2008, 06:21 PM
\frac{1+csc(x)}{cot(x)+cos(x)}=sec(x)
Start by putting it all in terms of sine and cosine.
\frac{1+\frac{1}{sin(x)}}{\frac{cos(x)}{sin(x)}+co s(x)
Now, cross multiply and do some cancelling and it should become clear. Can you finish?