Flashcard - Unit Circle and Exact Values (Silcox)

Front

What is the value of tan(-π)?

Back

0

Front

What is the value of cot(π/2)?

Back

0

Front

What is the secant of π/2?

Back

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Front

What is the exact value of -1?

Back

-1

Front

For what angles are sine and cosine the same?

Back

45 degrees

Front

Define the unit circle.

Back

A circle with a radius of 1 centered at the origin of a coordinate plane.

Front

What is the sine of 0 radians?

Back

0

Front

What is the cosine of 0 radians?

Back

1

Front

What is the tangent of π/4?

Back

1

Front

What is the value of sin(π/2)?

Back

1