Unit Circle Review (sin/cos/tan/sec/csc/cot) Flashcard

Front

What is the value of sec π/2?

Back

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Front

What is sin 90?

Back

1

Front

What is csc(x) equivalent to?

Back

1/sin(x)

Front

What is the value of tan 180?

Back

0

Front

If secΘ = -1, what is Θ?

Back

π

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 relationship between sin and cos on the unit circle?

Back

sin(θ) = y-coordinate, cos(θ) = x-coordinate.

Front

What is the value of cos 0?

Back

1

Front

What is the value of sin 0?

Back

0

Front

What is the value of tan 90?

Back

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