Question

Write the trigonometric expression in terms of sine and cosine, and then simplify.

sin u + cot u cos u

Answer 1

Well, cot u = cosu/sinu. You can use that to start ya off.

Answer 2

I understand that part but coming from the answer book it's csc u and I just can't seem to get that.

Answer 3

Ah. It is. Well, once you have sinu + (cos^2(u)/sinu), make it into one fraction.

Answer 4

OHHHH i think I see my mistake. o.o

Answer 5

Mhm. Once you make it into one fraction, you have sin^2(u) + cos^2(u) on top divided by sin u. I'm sure you can see it from there ^_^

Answer 6

Oh okay thank you I got it. :D

Answer 7

Cool :P