Find the missing length of a triangle using the cosine function
3:56
YouTubeBrian McLogan
Find the missing length of a triangle using the cosine function
👉 Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right triangle and the side lengths of the right triangle. These trigonometric identities, commonly called ...
Feb 3, 2012
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