5.45. Oblicz b) cos 240 degrees * sin 180 degrees + cos 0 degrees c) sin^2 (217 degrees) + cos^2 (127 degrees) + 2sin 37 degrees; .os 127^ d) tg 225^ -ctg 135^ -sin0^ e) cos 0^ +sin 90^ -sin 270^ -tg 180^

5.45. Oblicz b) cos 240 degrees * sin 180 degrees + cos 0 degrees c) sin^2 (217 degrees) + cos^2 (127 degrees) + 2sin 37 degrees; .os 127^ d) tg 225^ -ctg 135^ -sin0^ e) cos 0^ +sin 90^ -sin 270^ -tg 180^