In a right triangle, for a chosen acute angle, the adjacent side is 3 and the hypotenuse side is 5. What is cos of the angle?
Note
Cosine means adjacent ÷ hypotenuse. So cos θ = 3 ÷ 5 = 3/5.
In a right triangle, for a chosen acute angle, the adjacent side is 3 and the hypotenuse side is 5. What is cos of the angle?
Cosine means adjacent ÷ hypotenuse. So cos θ = 3 ÷ 5 = 3/5.