Under construction
Stations under construction may not yet contain a good range of resources covering all the key questions and different types of problem.

- 1
How can expressions such as \(\sin (x+y)\) be expanded?

- 2
What are the double-angle formulae?

- 3
What is a geometrical interpretation of expressions such as \(\cos(x+30^{\circ})\)?

- 4
What do graphs such as \(y=3 \cos x + 4 \sin x\) look like?

- 5
How can products such as \(\sin x \cos 3x\) be written as a sum or difference of trigonometric functions?

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Resource type | Title |
---|---|

Building blocks | $t$ for $\tan$ |

Fluency exercise | Trig countdown |

Package of problems | Equation or identity? (II) |

Many ways problem | Inspecting identities |

Scaffolded task | Proving half-angle formulae |

Investigation | Transformation... or not? |

Bigger picture | The great circle distance |