(4.7) Inverse Trig Functions
If possible, find the exact value
arcsin(1/2)
cos-1(√2/2)
tan-1(-1)
arctan(0)
sec-1(-2)
Find the exact value
tan(arccos 2/3)
cos[arcsin(­3/5)]
tan(sin­17/25)
cos(tan­1­5/12)
An airplane is flying at a height of 2 miles above the ground. The distance along the ground from the airplane to the airport is 5 miles. What is the angle of depression from the airplane to the airport?