cos A = 0.8 then what is sin A ?A0.6B0.75C1.333...D1Answer: A. 0.6 Read Explanation: cos A = 0.8 cos A = adjascent side / hypotenuse = 8/10 opposite side = √(10²-8²)=√36=6 sin A = opposite side / hypotenuse = 6/10 =0.6Read more in App