Tricky Trigonometry
You may think you have a pretty good grasp of the basics of trigonometry... These CMEP resources invite you to look a little more closely at the familiar trig functions and learn some interesting new ideas.
Can You Find... Trigonometry Edition Age 16 to 18 Challenge Level:
What graphs can you make by transforming sine, cosine and tangent graphs?
Equation or Identity (1) Age 16 to 18 Challenge Level:
Which of these equations concerning the angles of triangles are always true?
Equation or Identity (2) Age 16 to 18 Challenge Level:
Here are some more triangle equations. Which are always true?
Have a Sine Age 16 to 18 Challenge Level:
There's much more to trigonometry than sin, cos and tan...
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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.