Missing Side Trig

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

• 24/32
• 32/24
• 32/40
• 24/40

• 14/48
• 48/50
• 14/50
• 48/14

Choose the correct ratio.

• cos(33)=x/14

• sin(33)=x/14

• cos(33)=14/x

• sin(33)=14/x

Use the Trig Toolkit to find the missing side length, y. Choose your answer from the dropdown menu below.

ANSWER: ​ (a)  

• y = 20

• y = 70

• y = 50

Find the missing side length. Round your answer to the nearest tenth.

• 27.2

• 9.4

• 18

• 27.22

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

Identify the trig ratio that may be used to find the marked unknown side.

If you are given the OPPOSITE side and ADJACENT leg, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

If you are given the two sides that are NOT the hypotenuse, which trig ratio should you use?
(a)  

• tangent

• sine

• cosine