Inverse Trig (Flashcard 3) degrees(45 sec)

Front

What is the range of angles for Θ in inverse trigonometric functions?

Back

0° ≤ Θ ≤ 360°

Front

What is the value of cos Θ when Θ = 135°?

Back

cos(135°) = -1/√2

Front

What is the value of sin Θ when Θ = 30°?

Back

sin(30°) = 1/2

Front

What is the value of sin Θ when Θ = 150°?

Back

sin(150°) = 1/2

Front

What is the value of Arcsec(-2)?

Back

Arcsec(-2) = 240°

Front

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

Back

arcsin(-1/2) = 330°

Front

What is the value of cot⁻¹(√3/3) in the range 180° < x < 360°?

Back

cot⁻¹(√3/3) = 240°

Front

What is the value of sin Θ when Θ = 330°?

Back

sin(330°) = -1/2

Front

What is the value of cos Θ when Θ = 225°?

Back

cos(225°) = -1/√2

Front

What is the value of sin Θ when Θ = 60°?

Back

sin(60°) = √3/2