Quiz for beginning the unit circle

What is the value of sine at 30

• 1/2
• √3 / 2
• 0
• √2 ⁄ 2

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2

Who's logo is this?

• McDonalds
• Burger King
• Checkers
• Wendys

 $\tan\left(\theta\right)$  of an angle,  $\theta$ can be expressed as which of the following?

•  $\frac{opposite}{hypotenuse}$  

•  $\frac{opposite}{adjacent}$  

•  $\frac{hypotenuse}{adjacent}$  

If I wanted to find the sine of an angle, what side lengths would I need to know?

• base, hypotenuse

• hypotenuse, adjacent

• opposite, hypotenuse

• adjacent, opposite

What are the 3 basic trig functions?

• Sine, cosine, and cotangent

• Sine, cotangent, and cosecant

• Sine, cosine, and tangent

• Cosecant, cosine, and cotangent

Cos  $45\degree$  

•  $\frac{\sqrt{3}}{2}$  

•  $\frac{1}{2}$  

•  $\frac{\sqrt{2}}{2}$  

• 1

• 0

Sin  $30\degree$  

•  $\frac{\sqrt{3}}{2}$  

•  $\frac{1}{2}$  

•  $\frac{\sqrt{2}}{2}$  

• 1

• 0

Positive angles are measured in which direction from standard position?

• Clockwise
• Counterclockwise

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6