Trigonometry in Geometry

Hypotenuse: The _________________ side of a right triangle; the side opposite (across) from the right angle

• longest

• opposite

• Adjacent

• angle

Legs: The shorter two sides __________________ the acute angles; the sides adjacent (touching) the right angle

• longest

• opposite

• Adjacent

• angle

To be next to or touching

• longest

• opposite

• Adjacent

• angle

To be across from

• longest

• opposite

• Adjacent

• angle

Theta (Ɵ): The symbol used to represent an _______________

• longest

• opposite

• Adjacent

• angle

 $\sin\ \Theta\ =\frac{\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ }{ }$  

•  $\frac{opposite}{hypotenuse}$  

•  $\frac{adjacent}{hypotenuse}$  

•  $\frac{opposite}{adjacent}$  
  
  

 $\cos\ \Theta\ =\frac{\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ }{ }$  

•  $\frac{opposite}{hypotenuse}$  

•  $\frac{adjacent}{hypotenuse}$  

•  $\frac{opposite}{adjacent}$  
  
  

 $\tan\ \Theta\ =\frac{\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ }{ }$  

•  $\frac{opposite}{hypotenuse}$  

•  $\frac{adjacent}{hypotenuse}$  

•  $\frac{opposite}{adjacent}$  
  
  

 $\sin\ 16\degree$  Round to the nearest hundredth ( 2 decimal places )

 $\tan54\degree$  Round to the nearest hundredth ( 2 decimal places )