The expression can be simplified using the angle addition formula:
sin(A + B) = sinA cosB + cosA sinB
So, sin 80 cos 20 - cos 80 sin 20 = sin(80 + 20) = sin 100
Therefore, sin 80 cos 20 - cos 80 sin 20 = sin 100.
The expression can be simplified using the angle addition formula:
sin(A + B) = sinA cosB + cosA sinB
So, sin 80 cos 20 - cos 80 sin 20 = sin(80 + 20) = sin 100
Therefore, sin 80 cos 20 - cos 80 sin 20 = sin 100.