# Exact Trigonometric Values using Hand Trick

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SPEED MATH
Published at : 04 Jan 2021
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Please watch: "(1) 3 BULBS 3 SWITCHES PUZZLE (SHORT ANIMATION) "
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The best method to remember trigonometric values using Hand Trick. No need to write or memorise values. I'm sure you will enjoy. Do post comments and hit like button if you like this trick.

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