# Trigonometry Video

The basic trigonometric ratios are sine, cosine and tangent and are used to find the lengths of sides and the size of angles in right-angled triangles.

#### Fraction Foundations

Recognise simple fractions (halves, quarters and tenths) of whole numbers and shapes. So far this activity has been accessed 304 times and 43 Transum Trophies have been awarded for completing it.

Teacher: Click the play button in the centre of the video screen above. In the bottom right corner of the video (when you cursor moves over the playing video) is a broken square button which opens full-screen mode.

## Trigonometry Video

#### The basic trigonometric ratios are sine, cosine and tangent and are used to find the lengths of sides and the size of angles in right-angled triangles.

There are plenty of other maths videos in the collection which are perfect when you need a change of focus. There are funny videos, instructional videos and videos that will inspire and motivate.

John Rodger,

Thursday, November 17, 2022

"Hi, I have looked for something that specifically looks at angles of elevation and depression. Unable to find these as a separate of questions. Do you have a specific of questions relating to this?
Many thanks.

[Transum: Thanks for your comment John. You can find exam-style questions on the Angles of Elevation and Depression page.]"