Trigonometry

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.

 

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Fill in the squares according to the clues given by the string of numbers for each row and column. So far this activity has been accessed 14691 times and 704 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

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.

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