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

Front

What is the value of cos(0°)?

Back

1

Front

Evaluate sin(-30°).

Back

-1/2

Front

What is the value of cos(90°)?

Back

0

Front

What is csc(330°)?

Back

-2

Front

Evaluate sin(330°).

Back

-1/2

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 unit circle and how does it relate to trigonometric functions?

Back

The unit circle is a circle with a radius of 1 centered at the origin of a coordinate plane, used to define trigonometric functions based on angles.

Front

What is the value of sin(0°)?

Back

0

Front

What is the value of cos(180°)?

Back

-1

Front

What is the value of sin(90°)?

Back

1