Inverse Trig (Flashcard 3) degrees(45 sec)

Front

What is the value of Θ if sin Θ = 1/2 and 0 ≦ Θ ≦ 360?

Back

Θ = 30°, 150°

Front

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

Back

x = 240°

Front

What is arcsin(-1/2)?

Back

arcsin(-1/2) = 330°

Front

Evaluate Arcsec(-2).

Back

Arcsec(-2) = 240°

Front

What is the value of Θ if cos Θ = -1/√2 and 0 ≦ Θ ≦ 360°?

Back

Θ = 135°, 225°

Front

What is the range of the arcsin function?

Back

The range of arcsin is [-90°, 90°].

Front

What is the range of the arccos function?

Back

The range of arccos is [0°, 180°].

Front

What is the range of the arctan function?

Back

The range of arctan is (-90°, 90°).

Front

What is the relationship between sine and cosine in a right triangle?

Back

sin(Θ) = opposite/hypotenuse, cos(Θ) = adjacent/hypotenuse.

Front

What is the Pythagorean identity?

Back

sin²(Θ) + cos²(Θ) = 1.