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1°

C°S'70 =

c. Now solve your eguation to find the distance from the light to the actor's face.

) O

“X    ~Cos7^D

4. A forest ranger is on a lookout tower in a forest. His observation position is 214.7 feet above the ground when he spots an illegal campfire. The angle of elevation from the fire to the top of the lookout tower is 78°. Let's find the distance between the base of the tower and the fire.

a. Sketch and label a picture to portray the situation described above.

b. Write a trig eguation that can be used to determine the unknown guantity.

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