MTH 120 — Summer — 2005
Essex County College — Division of Mathematics
Test # 31— Created June 22, 2005
Name:
Signature:
Show all work clearly and in order, and box your final answers. Justify your answers alge-
braically whenever possible. You have at most 110 minutes2to take this 100 point exam. No
cellular phones allowed.
1. Use your calculator to evaluate the trigonometric function. Round your answers to three
decimal places.
(a) cos 1.206 1 points
(b) tan −7π
81 points
(c) cot 3.529 1 points
(d) csc (−6.895) 1 points
(e) sec 60.001 1 points
(f) arcsin (−0.645) 1 points
(g) arccos 0.777 1 points
(h) arctan (−2.358) 1 points
1This document was prepared by Ron Bannon using L
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210:40 a.m. until 12:30 p.m..
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