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TEST 4.1-4.4 BASIC TRIG (CALCULATOR)

Last updated 10 months ago

9 questions

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Question 1

1.

Express the radian measure 2.5 in degrees. Give answer to the nearest tenth

Question 2

2.

Question 3

3.

A sector of a circle has central angle 22 degrees and radius 9 ft. Find the arclength

Question 4

4.

Evaluate, give answer in radians to three sig figs

Question 5

5.

From the top of a 150 ft lighthouse, a ship is observed in the ocean at an angle of depression of 28°. How far is the ship from the base of the lighthouse? (SHOW YOUR DRAWING AND EQUATION IN WORK) Round to 3 sig figs

3

Question 6

6.

SHOW YOUR WORK

Question 7

7.

A wheelchair ramp is to be built with a slope of 3/8. What angle will the ramp make with the ground? Give answer in degrees to three sig figs SHOW YOUR WORK

Question 8

8.

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B

C

D

Question 9

9.

BONUS: An airplane is flying at an altitude of 11,000 feet. The pilot wants to make a smooth final descent to the runway at an angle of depression of 5 degrees. How far from the runway should the pilot begin the descent? SHOW WORK. Give answer to 3 sig figs