The three sides of a right-angled triangle have special names. The hypotenuse (\(h\)) is the longest side. It is opposite the right angle. The opposite side (\(o\)) is opposite the angle in question ( ...

You might have already passed that silly course with a title something like "Introductory Algebra and Trigonometry." It covered a bunch of stuff, but the important part was that the class was a ...

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Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Some researchers say the Babylonians invented trigonometry—and ...