Inverse Trig (Flashcard 1) degrees

Front

What is the range of the inverse cosine function (arccos)?

Back

The range of the inverse cosine function (arccos) is [0°, 180°].

Front

What is the range of the inverse sine function (arcsin)?

Back

The range of the inverse sine function (arcsin) is [-90°, 90°].

Front

What is the range of the inverse tangent function (arctan)?

Back

The range of the inverse tangent function (arctan) is (-90°, 90°).

Front

What are the angles in degrees where cos Θ = -1/√2?

Back

The angles are 135° and 225°.

Front

What is the value of arcsin(-1/2)?

Back

The value of arcsin(-1/2) is -30° or 330°.

Front

What are the angles in degrees where sin Θ = 1/2?

Back

The angles are 30° and 150°.

Front

What is the value of sin(180°)?

Back

The value of sin(180°) is 0.

Front

What is the value of cos(180°)?

Back

The value of cos(180°) is -1.

Front

What is the value of tan(45°)?

Back

The value of tan(45°) is 1.

Front

What is the relationship between sine and cosine for complementary angles?

Back

For complementary angles, sin(Θ) = cos(90° - Θ).