How to Calculate Cos A using Area and Sides B and C of Triangle?
Cos A using Area and Sides B and C of Triangle calculator uses Cos A = sqrt(1-((2*Area of Triangle)/(Side B of Triangle*Side C of Triangle))^2) to calculate the Cos A, The Cos A using Area and Sides B and C of Triangle formula is defined as value of cos A using area and the sides B and C of the triangle. Cos A is denoted by cos ∠A symbol.
How to calculate Cos A using Area and Sides B and C of Triangle using this online calculator? To use this online calculator for Cos A using Area and Sides B and C of Triangle, enter Area of Triangle (A), Side B of Triangle (S_{b}) & Side C of Triangle (S_{c}) and hit the calculate button. Here is how the Cos A using Area and Sides B and C of Triangle calculation can be explained with given input values -> 0.885685 = sqrt(1-((2*65)/(14*20))^2).