and is abbreviated to cos. For a given angle Ɵ, cosƟ = adjacent ÷ hypotenuse. This is written as a fraction. Image caption, The opposite divided by the adjacent for each triangle is 3/4 or 6/8.

The trigonometric ratios sine, cosine and tangent are used to calculate angles and sides in right angled triangles. We are now going to extend trigonometry beyond right angled triangles and use it ...

The mortgage giant Rocket RKT5.65%increase; green up pointing triangle Cos. has agreed to buy Redfin RDFN 6.45%increase; green up pointing triangle in an all-stock deal valuing the online real ...