#trigonometry

3 messages · Page 1 of 1 (latest)

proven galleon
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The example

cursive roseBOT
pliant quiver
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It says that the cosine law is b² = a² + c² - 2accosB, so you can match it up with the triangle. b is the side you're looking for, c is 36 m, a is 52 m, and cosB is cos42°