1. A plane flying horizontally at an altitude of 2 miles approaches a radar station d miles ahead. Write a function, A, that could be used to determine the angle of depression from the plane to the radar station as it depends on d, the horizontal distance to the station. Show work to justify the response.

Complete the statement: As d2,A(d)________

2. Match the following:

a. csc18-sec72 I. -1

b. sec2(4)tan2(4) ii. 0

c.sin1(0.52)+cos1(0.52) iii. 1

d.tan1(tan(65)) iv.6

e.cos1(32) v.6

vi.2

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