Inverse Trig (Flashcard 3) degrees(45 sec)

Front

What is the range of the arcsec function?

Back

The range of the arcsec function is [0, 90) U (90, 180] U (180, 270) U (270, 360].

Front

Evaluate: Arcsec(-2).

Back

240°.

Front

What is the value of cot^-1(√3/3) in the interval (180°, 360°)?

Back

240°.

Front

What angles correspond to cos Θ = -1/√2 in the interval 0° ≤ Θ ≤ 360°?

Back

135°, 225°.

Front

What is the relationship between inverse trigonometric functions and their corresponding trigonometric functions?

Back

Inverse trigonometric functions return the angle whose trigonometric function value is given.

Front

What is the principal value of the inverse cosine function?

Back

The principal value of the inverse cosine function, cos^-1(x), is in the range [0, π] or [0°, 180°].

Front

What is the principal value of the inverse sine function?

Back

The principal value of the inverse sine function, sin^-1(x), is in the range [-π/2, π/2] or [-90°, 90°].

Front

What is the principal value of the inverse tangent function?

Back

The principal value of the inverse tangent function, tan^-1(x), is in the range (-π/2, π/2) or (-90°, 90°).

Front

How do you convert degrees to radians?

Back

To convert degrees to radians, multiply the degree measure by π/180.

Front

How do you convert radians to degrees?

Back

To convert radians to degrees, multiply the radian measure by 180/π.