8-1 and 8-2 Review

Front

Find angle A if the options are 53.6, 13.3, 113.1, 26.7

Back

Angle A = 13.3 degrees.

Front

Find sin^-1(-1)

Back

sin^-1(-1) = -π/2.

Front

Find cos^-1(-1)

Back

cos^-1(-1) = π.

Front

Find tan^-1(-1)

Back

tan^-1(-1) = -π/4.

Front

Find cos^-1(-√3/2)

Back

cos^-1(-√3/2) = 5π/6.

Front

What is the range of sin^-1(x)?

Back

The range of sin^-1(x) is [-π/2, π/2].

Front

What is the range of cos^-1(x)?

Back

The range of cos^-1(x) is [0, π].

Front

What is the range of tan^-1(x)?

Back

The range of tan^-1(x) is (-π/2, π/2).

Front

What is the value of sin(π/2)?

Back

sin(π/2) = 1.

Front

What is the value of cos(π)?

Back

cos(π) = -1.