Solve Problems Involving Trigonometric Functions and Bearing Directions

What type of triangle is the context of our study of trigonometry?

• right triangle
• isosceles triangle
• scalene triangle
• acute triangle

Which side is opposite angle x?

• 1
• 2
• 3

Which side is the hypotenuse?

• 1
• 2
• 3

What is tan 45⁰?

• 1
• 2
• 0.5
• 0.75

What is cos 47⁰ ?

• 0.73
• 0.28
• 0.68
• answer not shown

Find the missing value.

Round to the nearest tenths.

• 52.1^o

• 37.9^o

• 52.1 cm

• 50.6 cm

Find the missing value.

Round to the nearest tenths.

• 33.9 mm

• 3.4 mm

• 10.5 mm

• 36.2 mm

Find the missing value.

Round to the nearest tenths.

• 34.2^o

• 55.8^o

• 39.6^o

• 29.7^o

You are attacking an enemy castle. Your strategy is to go over the castle wall. You are 1500 meters away from the bottom of the wall. You measure the angle of elevation to the top of the wall at 3^o. How tall is the enemy castle wall?

• 78.6 meters

• 1498.0 meters

• 78.5 meters

• 75.3 meters

What is the saying we use to remember the trig functions?

• SOH CAH TOA

• SAH COH TAO

• COH SAH TOA

• SOH COH TOH