Find the degree measure of θ if it exists. Do not use a calculator.

θ = sin⁻¹ 2

Use a calculator to approximate each value in decimal degrees.

θ = sin⁻¹ (-0.13349122)

Use a calculator to approximate each value in decimal degrees.

θ = arccos (-0.39876459)

Use a calculator to approximate each value in decimal degrees.

θ = csc⁻¹ 1.9422833

Use a calculator to approximate each value in decimal degrees.

θ = tan⁻¹ (-7.7828641)

Use a calculator to approximate each real number value. (Be sure the calculator is in radian mode.)

y = arcsin 0.92837781

Use a calculator to approximate each real number value. (Be sure the calculator is in radian mode.) 

y = cos⁻¹ (―0.32647891)

In Exercises 1–26, find the exact value of each expression. _ tan⁻¹ √3/3