Draw graphs of the sine and modulus functions and explain the humps.
Can you make a square from these triangles?
Which of these triangular jigsaws are impossible to finish?
Can you find the area of the central part of this shape? Can you do it in more than one way?
Can you work out the equations of the trig graphs I used to make my pattern?
In this short challenge, can you use angle properties in a circle to figure out a trig identity?
Trigonometry, circles and triangles combine in this short challenge.
Can you sketch this tricky trig function?
What happens when you straighten out concentric circles?
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?