For each question, round your answer to three significant digits.
1. Find the sin 61.4o.
sin 61.4o = 0.878 sin 61.4o = 0.479 sin 61.4o = 1.83
2. Find cos 53o19'. cos 53o19' = 0.599 cos 53o19' = - 0.999 cos 53o19' = 0.597
3. Find tan (1.42). tan (1.42) = 0.0248 tan (1.42) = 6.58 tan (1.42) = 6.58
4. Find sin(2.3)
sin (2.3) = 0.0401 sin (2.3) = 0.746. sin (2.3) = -1.12
5. Find tan 45o.
tan 45o = 1.00
tan 45o = -1.00 tan 45o = 1.50
Copyright © 2006 Donna Tupper.
