I'm having problems with it at school lately, im not gonna layout every single problem and ask for help. Im just wondering if there is a better approach to it rather than trying to solve one side in order to get it to equal the other side. For example, sin^2 x + cos^2 x = -cos^2 x - sin^2 x. Something like that. It bothers me how i just can't seem to be able to solve them. It's just like proves, where you either know it or you dont. Are there any easier way to solve them other than memorizing the trig identities?(adsbygoogle = window.adsbygoogle || []).push({});

here's 1 that i jsut cant seem to solve for:

sin^2 x / 1 - cos^2 x = 1 + cos^2 x / sin^2 x

we are trying to show that they are equal.

**Physics Forums - The Fusion of Science and Community**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Trigonometric Identities

Loading...

Similar Threads for Trigonometric Identities | Date |
---|---|

I Question on basic trig substitution with x = sin theta | May 29, 2016 |

I Integrate 1/(y+cos(x))^2 dx | Apr 23, 2016 |

What is the trigonometric identity used to simplify this expression? | Mar 23, 2012 |

Location of proofs of trigonometric identities | Dec 27, 2011 |

Trigonometric identity | Jan 18, 2007 |

**Physics Forums - The Fusion of Science and Community**