Trigonometry

Loch Ness

Age 16 to 18
Challenge Level

Draw graphs of the sine and modulus functions and explain the humps.

Impossible Square?

Age 16 to 18
Challenge Level

Can you make a square from these triangles?

Impossible Triangles?

Age 16 to 18
Challenge Level

Which of these triangular jigsaws are impossible to finish?

Curved Square

Age 16 to 18
Challenge Level

Can you find the area of the central part of this shape? Can you do it in more than one way?

Tangled Trig Graphs

Age 16 to 18
Challenge Level

Can you work out the equations of the trig graphs I used to make my pattern?

Trig Identity

Age 16 to 18 Short
Challenge Level

In this short challenge, can you use angle properties in a circle to figure out a trig identity?

Geometric Trig

Age 16 to 18 Short
Challenge Level

Trigonometry, circles and triangles combine in this short challenge.

Trigger

Age 16 to 18 Short
Challenge Level

Can you sketch this tricky trig function?

Stand up Arcs

Age 16 to 18 Short
Challenge Level

What happens when you straighten out concentric circles?

Calculating with Cosines

Age 14 to 18
Challenge Level

If I tell you two sides of a right-angled triangle, you can easily work out the third. But what if the angle between the two sides is not a right angle?