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Published byLillie Kerwood Modified over 2 years ago

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Ricky Pedersen Cooking up maths ideas since 2005

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Linking the unit circle with Trigonometric functions 3 types of functions looked at in year 11 Sine Cosine Tangent How many of us show students that sin cos and tan are more than just buttons on a calculator?

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So….. Where does the pasta come in?!?!

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Materials required Couple of packets of budget spaghetti A3 or A4 Paper Glue or Sellotape A little time to prepare A small class of students (yeah right!)

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Sine – uses the y components (opposite) Cosine – uses the x components (adjacent) θ Hypotenuse (radius)

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Going off on a tangent…. Extend your students by looking at the tangent function Don’t use the pasta as an asymptote ;)

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Sine, Cosine, Tangent, The Height Problem. In Trigonometry, we have some basic trigonometric functions that we will use throughout the course and explore.

Sine, Cosine, Tangent, The Height Problem. In Trigonometry, we have some basic trigonometric functions that we will use throughout the course and explore.

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