# trig

posted by
**Katie**
.

Q1:

Prove cos^2t+4cost+4/cost+2=2sect+1/sect

Q2:

A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?