Trigonometry Find the missing side or angle

​Learning Targets and Standards

• CC.2.3.HS.A.7 Apply trigonometric ratios to solve problems involving right triangles. 

• I can apply the trigonometric ratios to find missing sides in right triangles.

• I can apply the trigonometric ratios to find the missing angles in right triangles.
  

​Make sure your calculator is in degree mode!

​I can apply the trigonometric ratios to find missing sides in right triangles.

Multiple Choice

What trig function should you use to set up this problem?

• sin 72°

• cos 72°

• tan 72°

Multiple Choice

What trig function should you use to set up this problem?

• sin 33°

• cos 33°

• tan 33°

Multiple Choice

Find the length of side w.

• 21.4 cm
• 18.0 cm
• 36.5 cm
• 43.6 cm

Multiple Choice

Find the missing side. Round to the nearest tenth.

• 6.8

• 6.9

• 7.0

• 7.1

Multiple Choice

Solve for the missing side

• 42.5

• 61.2

• 63.3

• 30.6

Poll

• I can apply the trigonometric ratios to find missing sides in right triangles.

• I've Got This

• Almost There

• Hmmm--Not Sure

• I Need Your Help

​Eye Spy Puzzle Piece #1

​I can apply the trigonometric ratios to find the missing angles in right triangles.

Multiple Choice

Which ratio should you use here to find x?

• sin⁻¹
• cos^-1
• tan^-1

Multiple Choice

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4°

• 55.2°

• 20.15°

• 19.4°

Multiple Choice

Solve for the missing angle.

• 50.5°

• 12.7°

• 36.9°

• 72.2°

Multiple Choice

Find the missing value.

Round to the nearest tenths.

• 34.2^o

• 55.8^o

• 39.6^o

• 29.7^o

Poll

• I can apply the trigonometric ratios to find the missing angles in right triangles.

• I've Got This

• Almost There

• Hmmm--Not Sure

• I Need Your Help