Inverse Trig-Unit Circle

Front

sin (π/2)

Back

1

Front

cos (π/4)

Back

√2/2

Front

cos(π)

Back

-1

Front

tan(3π/4)

Back

-1

Front

What range of angles for inverse cosine? Options: [0, π], [0, 2π], [-π/2, π/2], [π/2, 3π/2]

Back

[0, π]

Front

What is the range of angles for inverse sine?

Back

[-π/2, π/2]

Front

What is the range of angles for inverse tangent? Options: (0, π/2), (-π/2, π/2), (0, π), (0, 2π)

Back

(-π/2, π/2)

Front

Evaluate: cos^-1(√3/2)

Back

π/6

Front

Evaluate: arctan(1)

Back

π/4

Front

Evaluate: sin^-1(-√2/2)

Back

-π/4