Homework Help: trig

Posted by Katie on Monday, March 5, 2012 at 7:51pm.

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?

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