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?
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?
Tri-angled Triglive
Age 16 to 18
Challenge Level
Can you justify this equation involving three angles?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.