Unit Circle review Final Exam

Front

Identify the quadrant where tan t > 0 and sin t < 0.

Back

Quadrant 3

Front

Name the quadrant in which ∠A lies, if cosA > 0, sinA < 0.

Back

Quadrant 4

Front

If cosθ = \frac{4}{5}, find the missing side length of the triangle.

Back

3

Front

What is half a circle in radians?

Back

π

Front

If sinθ = -\frac{5}{13} and tanθ > 0, then cosθ = ?

Back

-\frac{12}{13}

Front

What is the range of sine function?

Back

[-1, 1]

Front

What is the range of cosine function?

Back

[-1, 1]

Front

What is the value of tan(90°)?

Back

Undefined

Front

What is the relationship between sine and cosine in a right triangle?

Back

sin(θ) = opposite/hypotenuse, cos(θ) = adjacent/hypotenuse

Front

What is the Pythagorean identity?

Back

sin²(θ) + cos²(θ) = 1