5. Inverse Trigonometric Functions and Basic Trigonometric Equations

Find the exact value of each expression. cos⁻¹ √3/2

Graph each inverse circular function by hand.

y = arcsec [(1/2)x]

Evaluate each expression without using a calculator.

cos (csc⁻¹ (-2))

In Exercises 27–38, use a calculator to find the value of each expression rounded to two decimal places. ___ tan⁻¹ (−√473)

In Exercises 1–26, find the exact value of each expression. _ cot⁻¹ (−√3)