Right Triangle Trig 9.1

What is the cos $\theta$  ?

•  $\frac{9}{12}$  

•  $\frac{15}{12}$  

•  $\frac{9}{15}$  

•  $\frac{12}{15}$  

What is the sec $\theta$  ?

•  $\frac{9}{12}$  

•  $\frac{12}{15}$  

•  $\frac{15}{12}$  

•  $\frac{15}{9}$  

What is the cot $\theta$  ?

•  $\frac{9}{12}$  

•  $\frac{12}{9}$  

•  $\frac{12}{15}$  

•  $\frac{9}{15}$  

What is the csc $\theta$  ?

•  $\frac{9}{12}$  

•  $\frac{12}{15}$  

•  $\frac{15}{12}$  

•  $\frac{12}{9}$  

Find the value of  $\tan\theta$ .  Write your answer as a simplified fraction.

•  $\frac{\sqrt{15}}{8}$  

•  $\frac{5}{2}$  

•  $\frac{\sqrt{21}}{5}$  

•  $\frac{2\sqrt{21}}{21}$  

Find  $\sin\theta$  if  $\sec\theta=\frac{9}{8}$ .

•  $\frac{13\sqrt{2}}{7}$  

•  $\frac{9\sqrt{17}}{17}$  

•  $\frac{8}{9}$  

•  $\frac{\sqrt{17}}{9}$  

Find the value of x. Round to the nearest tenth.

• 5.9

• 5.3

• 5.6

• 6.1

Find the $m\angle B$ . Round to the nearest tenth.

• 31°

• 35.5

• 23.8

• 29.7°

What would you use to solve for a?

• sin
• cos
• tan
• Pythagorean theorem

What is the length of x in this picture?

• 45

• 5√2

• 90

• 5