In a right triangle, for a chosen acute angle, the adjacent side is 5 and the hypotenuse side is 13. What is cos of the angle?
Note
Cosine means adjacent ÷ hypotenuse. So cos θ = 5 ÷ 13 = 5/13.
In a right triangle, for a chosen acute angle, the adjacent side is 5 and the hypotenuse side is 13. What is cos of the angle?
Cosine means adjacent ÷ hypotenuse. So cos θ = 5 ÷ 13 = 5/13.