Find Side Length Using Trig

Find x round to the nearest tenth.

• 46.1

• 4.9

• 16.4

• 26.9

Choose the correct ratio.

• cos(33)=x/14

• sin(33)=x/14

• cos(33)=14/x

• sin(33)=14/x

Solve for x.

• 10

• 11.3

• 12.0

• 15.0

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Find side AB?

• 20 m

• 5 m

• 11.54 m

• 8.66 m

What equation can be used to solve for x?

• Sin(40°)= x/40 

• Sin(40º)=x/19

• Cos(40º)=x/19

• Tan(40°)=19/x

Which trig ratio would you use for the following?

• Sin

• Cos

• Tan

• You would not be able to use trigonometry

Which trig ratio would you use for the following?

• Sin

• Cos

• Tan

• You would not be able to use trigonometry

What is the first step when using trigonometry?

• Work out which ratio to use.

• Enter values into the calculator.

• Label the sides.

• Panic and skip to the next question.

Solve for the misssing distance

• 18.9

• 19.5

• 47

• 27.5