5sin п/2+4cos 0-3sin 3п/2+coaп=

Question

5sin п/2+4cos 0-3sin 3п/2+coaп=

Answer 1

5.sin π/2 + 4.cos 0 - 3.sin 3π/2 + cos π =
=5.0 + 4.1 - 3.(-1) + (-1) =0+4 +3 -1 = 6