Inverse Trigonometric Functions Math Homework Help

1. Solve cos x = – by finding the value of x to the nearest degree.

2. lf each leaf of another drawbridge is 150 feet long, what is the minimum angle⊖, to the nearest degree, that each leaf should open to allow a 90-feet-wide ship to pass?

3. Find each value. Write angle measures in radians. Round to the nearest hundredth.

a. Arccos

b. cos(Arcsin )