4 Precalculus.

2x An object moves in simple harmonic motion described by the equation d = -2 cos , t, where t is measured in seconds and d in inches. Find the following. a. the maximum displacement b. the frequency c. the time required for one cycle a. in.on 4.8 Trig Applications Question 2, 4.8.3 Part 1 of 4 Solve the right triangle shown in the figure. B A =54.4', c= 55 C A b C a. What are the lengths of the sides? (Round to the nearest hundredth as needed.)4.8 Trig Applications Question 7, 4.8.51 Part 1 of 2 boat leaves the entrance to a harbor and travels 200 miles on a bearing of N 50" E. How many miles north and how many miles east from the harbor has the boat traveled? The boat has traveled miles north. Round to the nearest tenth of a mile.)