Trigonometry

Degree Ceremonylive

Age 16 to 18
Challenge Level

Can you find the sum of the squared sine values?

Making Waveslive

Age 16 to 18
Challenge Level

Which is larger cos(sin x) or sin(cos x) ? Does this depend on x ?

Loch Nesslive

Age 16 to 18
Challenge Level

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

T for Tanlive

Age 16 to 18
Challenge Level

Can you find a way to prove the trig identities using a diagram?

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 Identitylive

Age 16 to 18
Challenge Level

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

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 Cosineslive

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?

Tri-angled Triglive

Age 16 to 18
Challenge Level

Can you justify this equation involving three angles?