Determine the value of A to one decimal place
1. SinA=0.8456
To determine the value of A to one decimal place when SinA = 0.8456, you would use the inverse sine function (sin⁻¹) on a calculator.
sin⁻¹(0.8456) ≈ 57.8
Therefore, the value of A to one decimal place is approximately 57.8.