91Ó°ÊÓ

In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \cos 70^{\circ} $$

In \(3-12,\) find the radian measure of each angle whose degree measure is given. \(240^{\circ}\)

In \(3-14,\) find each value of \(\theta : \mathbf{a} .\) in degrees \(\mathbf{b} .\) in radians $$ \theta=\arcsin \left(-\frac{\sqrt{3}}{2}\right) $$

For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\sec \frac{3 \pi}{2}\)

In \(3-12,\) find the radian measure of each angle whose degree measure is given. \(270^{\circ}\)

In \(3-14,\) for each given function value, find the remaining five trigonometric function values. \(\cot \theta=\frac{5}{3}\) and \(\theta\) is in the third quadrant.

In \(3-12\) , find the exact function value of each of the following if the measure of the angle is given in radians. $$ \csc \pi $$

In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \sin 110^{\circ} $$

In \(3-14,\) find each value of \(\theta : \mathbf{a} .\) in degrees \(\mathbf{b} .\) in radians $$ \theta=\arccos (-1) $$

In \(3-14,\) for each given function value, find the remaining five trigonometric function values. \(\csc \theta=\frac{5}{4}\) and \(\theta\) is in the second quadrant.