Functions of a Right Triangle |

Derivation of Basic Identities |

Derivation of the Half Angle Formulas |

Derivation of Sine Law |

Derivation of Cosine Law |

Formulas in Plane Geometry |

Plane Geometry |

The Triangle |

Properties of Triangle |

Centers of a Triangle |

Derivation of Formula for Radius of Incircle |

Derivation of Formula for Radius of Circumcircle |

The Circle |

Relationship Between Central Angle and Inscribed Angle |

Area of Regular Five-Pointed Star |

Circle Tangent Internally to Another Circle |

Area of Regular Six-Pointed Star |

09 - 11 Rectangular Lot Problems in Maxima and Minima |

12 - 14 Rectangular Lot Problems in Maxima and Minima |

15 - 17 Box open at the top in maxima and minima |

18 - 20 Rectangular beam in maxima and minima problems |

21 - 24 Solved problems in maxima and minima |

25 - 27 Solved problems in maxima and minima |

28 - Solved problem in maxima and minima |

29 - 31 Solved problems in maxima and minima |