test review - trig unit

Front

What is the reference angle?

Back

The reference angle is the acute angle formed by the terminal side of an angle in standard position and the x-axis.

Front

Back

Front

If cosθ = 8/17 and sinθ < 0, what is tanθ?

Back

Front

Angle Θ is in Quadrant III with sin Θ = -3/5. What is tan Θ?

Back

Front

What is the phase shift of the graph of y = sin(x - 2pi/3)?

Back

Front

Define sine in terms of a right triangle.

Back

Sine is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

Define cosine in terms of a right triangle.

Back

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

Front

What is the Pythagorean identity?

Back

Front

How do you find the reference angle for an angle in Quadrant II?

Back

Front

How do you find the reference angle for an angle in Quadrant III?

Back