![]() ![]() Then you’ve got your sine ratio!ĬAH means that cosine = adjacent over hypotenuse. Take the side length opposite from your angle and put it over the side length of the hypotenuse. SOH means that sine = opposite over hypotenuse. To figure out the sine, cosine, and tangent of an angle, you can use the SOHCAHTOA acronym. the two angles that add up to 90 degrees) has a sine, cosine, and tangent. Each of the two complementary angles of a right triangle (i.e. The first thing to know about trigonometry is that sine, cosine, and tangent are RATIOS. And they’re easy once you know how to solve them! Here, I’ll teach you how to solve a difficult trig problem from a real ACT.įirst off, though, a refresher on some basic trig concepts. If you’re worrying about trigonometry on the ACT, you shouldn’t be–for one thing, there are only three or four trig problems on the ACT. Most students are intimidated by trigonometry when they’re first exposed to it, and this need not be the case. ![]()
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