SEMESTER 2 MID TERM REVIEW

Ship A sights ship B on a bearing of 070 degrees. What is the bearing from ship B to ship A?

Ship X sights ship Y on a bearing of 308. What is the bearing from ship Y to ship X?

A sailboat leaves its dock and travels east for 2 miles. It then changes course to 205 until it is due south of the dock. How far south of the dock is the sail boat?

What is the inclination of the line: 5

x

 3

y

 6

What is the equation of the graph?

6 4 2 -5 5 10 -2

From a distance of 100 m, the angle of elevation to the top of a mountain is 70 degrees. How tall is the mountain?

Find the area if angle A is a right angle:

C B 5 A 12 D 135



20

If the circle has a radius of 4, what is the area of the green region?

Solve: sec

x

 2 for 0 2 

Solve: sin 4

x

 sin 2

x

for 0 360

Solve: sin 

x

    0 for 0 2 

Simplify: 10sin 6

B B

Find the two supplementary angles between the lines:

y x

4

x



3

y



8 6