Inverse Trig (Flashcard 2) degrees(2min timer)

Front

What is the range of the cosine function?

Back

The range of the cosine function is from -1 to 1.

Front

What does cos Θ = -1/√2 represent in terms of angles?

Back

It represents angles where the cosine value is negative, specifically 135° and 225°.

Front

What is the sine of 30°?

Back

The sine of 30° is 1/2.

Front

What angles correspond to sin Θ = 1/2 in the range 0° to 360°?

Back

30° and 150°.

Front

What is the definition of Arcsec?

Back

Arcsec is the inverse function of the secant function.

Front

Evaluate Arcsec(-2).

Back

The answer is 240°.

Front

What is cotangent?

Back

Cotangent is the reciprocal of the tangent function.

Front

Evaluate cot⁻¹(-√3/3) for 180° < x < 360°.

Back

The answer is 300°.

Front

What is the definition of arcsin?

Back

Arcsin is the inverse function of the sine function.

Front

Evaluate arcsin(-1/2).

Back

The answer is 330°.