Finding an Angle Right Triangle Trig

Finding an Angle Right Triangle Trig

Remember

SOH CAH TOA

Multiple Choice

What is the length of the side, x? Round to the nearest tenth (one decimal place)

• 12

• 4.5

• 13.7

• 39.9

• 37.8

Solve for an angle!

We use INVERSE trig functions to solve for a missing angle

Example 1:

Use the diagram to the right to solve for the missing angle measure. Round your answer to the nearest tenth.

Example 2:

Use the diagram to the right to solve for the missing angle measure. Round your answer to the nearest tenth.

Poll

I know the difference between sine and inverse sine?

• Yes

• No

• I think I kind of understand but I am still confused

Poll

I can write an equation with inverse trigonometry to solve for an angle

• Yes

• No

• I think I kind of understand but I am still confused

Poll

If I were given a problem that involved trigonometry, I know if I am supposed to use regular trigonometry or inverse trigonometry to solve the problem.

• Yes, I got this!

• I would be able to if you gave me a hint

• If you talked me through every step I could do it

• Even if you showed my an example and asked me to explain what you did I still would have not clue