Using Trig Functions to Find Missing Sides

Multiple Choice

Which function is equivalent to x/6?

• Sin (B)

• Cos(A)

• Tan(A)

• Tan (B)

Multiple Select

Select all that is true.

• $$\tan\left(52\right)=\frac{a}{b}$$  

• $$\tan\left(52\right)=\frac{c}{a}$$  

• $$\sin\left(52\right)=\frac{a}{b}$$  

• $$\cos\left(52\right)=\frac{a}{b}$$  

• $$\sin\left(52\right)=\frac{a}{c}$$  

Multiple Choice

What is the ratio of side lengths equivalent to sin(A)?

• $$\sin\left(A\right)=\frac{30}{40}$$  

• $$Sin\ \left(A\right)=\frac{30}{50}$$  

• $$\sin\left(A\right)=\frac{50}{30}$$  

• $$\sin\left(A\right)=\frac{40}{30}$$  

Multiple Select

Select all that is true.

• $$\cos\left(23\right)=\frac{b}{a}$$  

• $$\cos\left(23\right)=\frac{a}{b}$$  

• $$\tan\left(23\right)=\frac{a}{c}$$  

• $$\tan\left(23\right)=\frac{b}{a}$$  

• $$\sin\left(23\right)=\frac{c}{b}$$  

Multiple Choice

What is the ratio of Cos (B)?

• $$Cos\left(B\right)=\frac{24}{30}$$  

• $$Cos\left(B\right)=\frac{18}{30}$$  

• $$Cos\left(B\right)=\frac{30}{18}$$  

• $$Cos\left(B\right)=\frac{30}{24}$$  

Multiple Choice

What ratio of side lengths is equivalent to Tan(Θ)?

• $$\tan\left(\theta\right)=\frac{a}{b}$$  

• $$\tan\left(\theta\right)=\frac{c}{a}$$  

• $$\tan\left(\theta\right)=\frac{b}{a}$$  

• $$\tan\left(\theta\right)=\frac{b}{c}$$  

Multiple Select

Which is equivalent to x/5?

• $$\sin\left(B\right)=\frac{x}{5}$$  

• $$Cos\left(A\right)=\frac{x}{5}$$  

• $$Sin\left(C\right)=\frac{x}{5}$$  

• $$Tan\left(A\right)=\frac{x}{5}$$  

Multiple Choice

Which is equivalent to x/30?

• $$Sin\left(B\right)=\frac{x}{30}$$  

• $$Tan\left(C\right)=\frac{x}{30}$$  

• $$Tan\left(B\right)=\frac{x}{30}$$  

• $$Sin\left(C\right)=\frac{x}{30}$$  

Multiple Choice

Which equation would be best for solving for x?

• $$\tan\left(27\right)=\frac{10}{x}$$  

• $$\tan\left(27\right)=\frac{x}{10}$$  

• $$\sin\left(27\right)=\frac{x}{10}$$  

• $$\sin\left(27\right)=\frac{10}{x}$$  

Multiple Choice

Find x.

• 5.1

• 19.6

• 4.5

• 22.0

Multiple Choice

Which equation would be best for solving for x?

• $$\sin\left(39\right)=\frac{x}{7}$$  

• $$\sin\left(39\right)=\frac{7}{x}$$  

• $$\cos\left(39\right)=\frac{x}{7}$$  

• $$\cos\left(39\right)=\frac{7}{x}$$  

Multiple Choice

Find x.

• 9.0

• 5.4

• 11.1

• 4.4

Multiple Choice

Which equation would be best for solving for x?

• $$\cos\left(48\right)=\frac{x}{8}$$  

• $$\cos\left(48\right)=\frac{8}{x}$$  

• $$\sin\left(48\right)=\frac{x}{8}$$  

• $$\sin\left(48\right)=\frac{8}{x}$$  

Multiple Choice

Find x.

• 11.1

• 5.4

• 12

• 6

Multiple Choice

Which equation would be best for solving for x?

• $$\tan\left(72\right)=\frac{20}{x}$$   

• $$\tan\left(72\right)=\frac{x}{20}$$  

• $$\cos\left(72\right)=\frac{20}{x}$$  

• $$\cos\left(27\right)=\frac{x}{20}$$  

Multiple Choice

Find x.

• 6.5

• 6.2

• 64.7

• 61.6

Multiple Choice

Which equation would be best for solving for x?

• $$\cos\left(16\right)=\frac{x}{18}$$  

• $$\sin\left(16\right)=\frac{x}{18}$$  

• $$\tan\left(16\right)=\frac{x}{18}$$  

• $$\cos\left(16\right)=\frac{18}{x}$$  

Multiple Choice

Find x.

• 5.0

• 17.3

• 5.2

• 18.7

Multiple Choice

Which equation would be best for solving for x?

• $$\sin\left(38\right)=\frac{x}{20}$$  

• $$\cos\left(38\right)=\frac{x}{20}$$  

• $$\tan\left(38\right)=\frac{x}{20}$$  

• $$\tan\left(38\right)=\frac{20}{x}$$  

Multiple Choice

Find x.

• 25.6

• 15.6

• 12.3

• 15.8

Fill in the Blank

Find x. Round to 1 decimal place

Fill in the Blank

Find x. Round to 1 decimal place