Trig

The INPUT of any Trig Function is

• an angle measure

• a ratio of side lengths

• the right angle

• a side length

The OUTPUT of any Trig Function is

• an angle measure

• a ratio of side lengths

• the right angle

• the side length

Check all that apply. Which of the following describes the HYPOTENUSE

• the longest side

• the side across/opposite from the 90 degree angle

• the side touching the angle

• a guess

Check all that apply. Which of the following describes the OPPOSITE SIDE

• the longest side

• the side across/opposite from the 90 degree angle

• the side touching the angle

• the side across from the angle

• the side that is NOT touching the angle

Check all that apply. Which of the following describes the ADJACENT SIDE

• the longest side

• the side across/opposite from the 90 degree angle

• the side touching the angle

• the side across from the angle

• the side that is NOT touching the angle

Name the three trig functions

• sine

• cosine

• tangent

• sinth

• cosynch

Which ratio of sides is  $\sin\left(\theta\right)$  equal to?

•  $\frac{O}{H}$  

•  $\frac{O}{A}$  

•  $\frac{A}{H}$  

•  $\frac{H}{A}$  

•  $\frac{A}{O}$  

Which ratio of sides is  $\cos\left(\theta\right)$  equal to?

•  $\frac{O}{H}$  

•  $\frac{O}{A}$  

•  $\frac{A}{H}$  

•  $\frac{H}{A}$  

•  $\frac{A}{O}$  

Which ratio of sides is  $\tan\left(\theta\right)$  equal to?

•  $\frac{O}{H}$  

•  $\frac{O}{A}$  

•  $\frac{A}{H}$  

•  $\frac{H}{A}$  

•  $\frac{A}{O}$  

Set up the problem so that you can solve for X.

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41