1) a = 8.3
2) sin θ = 4/5 cos θ = 3/5 tan θ = 4/3
3) -1/2
4) csc θ = 5/4
5) A = 207.0
6) Π/6
7) amp = 3 period = 9Π/2
8) s = 1.9 ft.
9) v = 164 cm/sec
10) 320° 36’ 36’’
11) c = 5.4
12) R = 63°
13) d (39.411°)
14) c ( -7Π)
15) a (80°)
16) c (92.2°)
17) d (-√2/2)
18) Π/6
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