Hacking the Unit Circle on the TI 84 Plus CE Graphing Calculator

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Why memorize the unit circle when the exact values are at your fingertips on your calculator?? Watch this video for a quick and dirty way to summon up the exact values of trigonometric ratios. Feel free to pause the video frequently in order to pick your jaw up off the floor. And be sure to watch to the end in order to know what to do when your exact value ends up being negative!
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My Final Trig Exam today and I have been blessed by this video, you don't know how helpful this is😭

magnatemagic
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This is excellent content. For such a simple question there are not enough answers on the web for this. Thank you for the help.

noahsnyder
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thank you for teaching me this valuable lesson, your highness. 💕🙏🙏

iamhappymoth
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Legend, this is 100% going to save me during my complex numbers exam. tysm!

A.M.A-Attarch
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😂I can’t believe this, u just save my life 😅 thank you

benimubenesha
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That is good information, I really like it.
I can even do that on my TI 30XllS

simpleman