# Trig Identities

rename
kamofeha's
version from
2016-01-21 02:06

## Section 1

Question | Answer |
---|---|

Half Angle for sin^2(x) | (1 - cos(2x) ) / 2 |

Half Angle for cos^2(x) | (1 + cos(2x) ) / 2 |

Double angle sin(2x) | 2sin(x)cos(x) |

Pythag Ident for sec^2(x) | tan^2(x) + 1 |

Pythag Ident for csc^2(x) | cot^2(x) + 1 |

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