# Use inverse functions to find an angle

Find a missing angle in a triangle using the inverse trigonometry functions

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

- Click "Close Video"
- Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

# Lesson summary: Use inverse functions to find an angle

### It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.

### Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:

Climb stairs

On the spot:

Dance

### Take part in The Big Ask.

The Children's Commissioner for England wants to know what matters to young people.

Share your views and have your voice heard.

The next lesson in Trigonometry 2 is "Solve problems mixing angles and sides"