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• 19:29, 9 February 2022 0kelvin talk contribs created page Trigonometric identities (Created page with "If you understand how to read the unit circle the trigonometric identities are all consequences of it. There are multiple formulas regarding the product, the quotient, addition and subtraction of angles. I have a textbook that states that as long as you understand the sum of angles, it's really all you need to know. I'm going with that textbook and going to show just two identities.")