Trick for doing trigonometry mentally!
Published March 4, 2015
Views 4.44M | Likes 74.8K | Comments 1.85K
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This fast math trick can be used to mentally work out the main basic trigonometric ratios instantly! With this fast mental math technique you can work out the sin, the cos, and even the tan of the most common angles in no time at all! Become the trigonometry master! To donate to the tecmath channel:https://paypal.m…
- Published
- March 4, 2015
- Made for kids
- No
More features coming
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