Trig Ratios

Which is the correct ratio for the cosine ratio?

Which is the correct ratio for the sine ratio?

• $\frac{adjacent\ }{hypotenuse}$

• $\frac{opposite\ }{hypotenuse}$

• $\frac{adjacent\ }{opposite\ }$

• $\frac{opposite\ }{adjacent\ }$

What is  $\cos A$  ?

•  $\frac{29}{20}$  

•  $\frac{21}{29}$  

•  $\frac{20}{29}$  

•  $\frac{21}{20}$  

Which is the correct ratio for the tangent ratio?

• $\frac{adjacent\ }{hypotenuse}$

• $\frac{opposite\ }{hypotenuse}$

• $\frac{adjacent\ }{opposite\ }$

• $\frac{opposite\ }{adjacent\ }$

What is  $\tan A$  ?

•  $\frac{29}{20}$  

•  $\frac{21}{29}$  

•  $\frac{20}{29}$  

•  $\frac{21}{20}$  

cos______ = $\frac{40}{50}$  

• A

• B

• C