Exact Value Trig Speed (Flashcard 2) degrees : 45sec

Front

What is the value of cos(0°)?

Back

1

Front

What is the value of csc(330°)?

Back

-2

Front

What is the value of sin(135°)?

Back

√2/2

Front

What is the value of cot(390°)?

Back

None of these

Front

What is the value of sec(180°)?

Back

-1

Front

Define the cosine function in terms of a right triangle.

Back

Cosine is the ratio of the length of the adjacent side to the hypotenuse.

Front

What is the relationship between sine and cosine for complementary angles?

Back

sin(θ) = cos(90° - θ) and cos(θ) = sin(90° - θ).

Front

What is the range of the sine function?

Back

The range of the sine function is [-1, 1].

Front

What is the period of the sine and cosine functions?

Back

The period of sine and cosine functions is 360° (or 2π radians).

Front

What is the value of sin(90°)?

Back

1