1. Measuring Angles

In Exercises 59–62, use a calculator to find the value of the acute angle θ in radians, rounded to three decimal places.cos θ = 0.4112

In Exercises 59–62, use a calculator to find the value of the acute angle θ in radians, rounded to three decimal places.tan θ = 0.4169

In Exercises 99–104, find two values of θ, 0 ≤ θ < 2𝜋, that satisfy each equation._sin θ = √22

In Exercises 99–104, find two values of θ, 0 ≤ θ < 2𝜋, that satisfy each equation._sin θ = - √22

CONCEPT PREVIEW Fill in the blank to correctly complete each sentence. One degree, written 1°, represents ____________ of a complete rotation.

CONCEPT PREVIEW Fill in the blank to correctly complete each sentence. One minute, written 1' , is ________________ of a degree.

Find the measure of (a) the complement and (b) the supplement of an angle with the given measure. See Examples 1 and 3. 54°

Find the measure of (a) the complement and (b) the supplement of an angle with the given measure. See Examples 1 and 3. 10°

Find the measure of (a) the complement and (b) the supplement of an angle with the given measure. See Examples 1 and 3. 89°

Find the measure of (a) the complement and (b) the supplement of an angle with the given measure. See Examples 1 and 3. 14° 20'

Find the measure of (a) the complement and (b) the supplement of an angle with the given measure. See Examples 1 and 3. 50° 40' 50"

Find the measure of each marked angle. See Example 2.

Find the measure of each marked angle. See Example 2.

Find the measure of each marked angle. See Example 2.

Find the measure of each marked angle. See Example 2supplementary angles with measures 6𝓍 ― 4 and 8𝓍― 12 degrees