You can put this solution on YOUR website! To evaluate sinA = 0.7071 we realize that we are looking for the angle A in radians or in degrees. You will get different answers depending on the angle mode that your calculator is working in: degrees or radians.
In Degrees: Take the sine inverse of both sides
A = 44.9995 degrees
In Radians: Take the sine inverse of both sides
A = 0.7854 radians