Trigonometric ratios

Which ratio represents the cos(θ)?

• x/y

• x/z

• y/x

• y/z

Find tan(θ).

• tan(θ) = 5/13

• tan(θ) = 12/13

• tan(θ) = 12/5

• tan(θ) = 5/12

Find the value of tan(X).

• 3/4

• 4/3

• 5/3

• 3/5

 Which triangle below shows the ratio as $\sin\left(x\right)=\frac{a}{c}$  ?

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• 
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Which triangle below shows the ratio as  $\tan\ \left(x\right)=\frac{t}{u}$  ?

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• A
• B
• C
• D

• A
• B
• C
• D

Identify the trig ratio that may be used to find the marked unknown side.

• $Sin\ 38\degree=\frac{w}{15}$

• $Cos\ 38\degree\ =\ \frac{15}{w}$

• $Tan\ 38\degree\ =\ \frac{w}{15}$

• $Sin\ 38\degree=\ \frac{15}{w}$

Identify the trig ratio that may be used to find the marked unknown side.

•  $Sin\ 29\degree=\frac{x}{91}$  

•  $Tan\ 29\degree\ =\ \frac{91}{x}$ 

•  $Cos\ 29\degree\ =\ \frac{x}{91}$ 

•  $Tan\ 29\degree=\ \frac{x}{91}$ 

 Identify the trig ratio that may be used to find the marked unknown side.

•  $Sin\ 38\degree\ =\ \frac{h}{15}$  

•  $Sin\ 38\degree\ =\ \frac{15}{h}$  

•  $Cos\ 38\degree\ =\ \frac{15}{h}$  

•  $Tan\ 38\degree=\ \frac{h}{15}$