Angles in Standard Position: Principal Angle and Reference Angle: Trigonometry Math Help

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  • THANK YOU!!!! HOLY CRAP YOU ARE LIKE JESUS WITH A HAT.

  • you're definitely smarter than my teacher

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  • what's up with the captions? LOL

  • i thnik you just saved my grade :D THANK YOU!!!

  • "How do we remember that that as the terminal side? You can think of terminal cancer."

    OMG lol

  • tyyyyyyyyy i was studying for my math test and realized that my notes did not help me define what a principal angle was so thank you!

  • Hey, this video is fairly old but I thought I'd just drop a comment: You cleared up a lot versus the textbook! Thanks a slew. :) I'm normally pretty mathematically apt, but the whole thing with diagrams and pictures made my head spin, after watching a few of your videos I'm far more confident. :)

  • For reference angle my teacher showed us a rule Quad. 1- Reference Angle is whatever the angle is. Quad 2- 180- Principal angle. Quad 3- Principal angle -180. Quad 4- 360- Principal angle

  • Excellent! Thank You!

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