sin(90°-2) = sin(88°) ≈ 0.99939cos(180°-2) = cos(178°) ≈ -0.01695£g(180°-2) = £g(178°)£g(270°+2) = £g(272°)
Therefore, the expression simplifies to:
0.99939 - (-0.01695) + £g(178°) - £g(272°)
sin(90°-2) = sin(88°) ≈ 0.99939
cos(180°-2) = cos(178°) ≈ -0.01695
£g(180°-2) = £g(178°)
£g(270°+2) = £g(272°)
Therefore, the expression simplifies to:
0.99939 - (-0.01695) + £g(178°) - £g(272°)