problem
Making waves
Age
16 to 18
Challenge level
Which is larger cos(sin x) or sin(cos x) ? Does this depend on x ?
problem
Favourite
Loch ness
Age
16 to 18
Challenge level
Draw graphs of the sine and modulus functions and explain the humps.
problem
Favourite
T for tan
Age
16 to 18
Challenge level
Can you find a way to prove the trig identities using a diagram?
problem
Trig identity
Age
16 to 18
Challenge level
In this short challenge, can you use angle properties in a circle to figure out some trig identities?
problem
Tri-angled trig
Age
16 to 18
Challenge level
Can you justify this equation involving three angles?