Inverse Trig (Flashcard 1) degrees

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 cosine function (arccos)?

Back

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

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 is the value of arcsin(1/2)?

Back

The value of arcsin(1/2) is 30°.

Front

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

Back

The value of arcsin(-1/2) is -30° (or 330° in the range of 0° to 360°).

Front

What is the value of arccos(1/2)?

Back

The value of arccos(1/2) is 60°.

Front

What is the value of arctan(1)?

Back

The value of arctan(1) is 45°.

Front

What is cotangent in terms of sine and cosine?

Back

Cotangent is defined as cot(x) = cos(x)/sin(x).

Front

What is the relationship between cotangent and tangent?

Back

Cotangent is the reciprocal of tangent: cot(x) = 1/tan(x).

Front

What is the value of cot^-1(√3/3)?

Back

The value of cot^-1(√3/3) is 60°.