In a right triangle, for a chosen acute angle, the adjacent side is 8 and the hypotenuse side is 10. What is cos of the angle?
Note
Cosine means adjacent ÷ hypotenuse. So cos θ = 8 ÷ 10 = 8/10. This simplifies to 4/5.
In a right triangle, for a chosen acute angle, the adjacent side is 8 and the hypotenuse side is 10. What is cos of the angle?
Cosine means adjacent ÷ hypotenuse. So cos θ = 8 ÷ 10 = 8/10. This simplifies to 4/5.