**Description**

The aims of this programme are to derive a proof of the formula expressing sin (a+b) as cos a sin b = sin a cos b, and to show how transformations of the plane can be employed to obtain this result.

Module code and title: | M101, Mathematics: a foundation course |
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Item code: | M101; 03 |

Recording date: | 09-09-1976 |

First transmission date: | 1978 |

Published: | 1978 |

Rights Statement: | |

Restrictions on use: | |

Duration: | 00:24:29 |

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Producer: | David Saunders |

Contributors: | Norman Gowar; Bob Margolis |

Publisher: | BBC Open University |

Keyword(s): | Cosine; Rotation; Sine; Transformation; Translation |

Master spool number: | 6HT/72325 |

Production number: | 00525_4240 |

Available to public: | no |