a) sin60 - cos60 = (sqrt(3)/2) - (1/2) = sqrt(3)/2 - 1/2 = sqrt(3)/2 - 1/2
b) 2tg45 - sin45 = 2 - sqrt(2)/2 = 2 - sqrt(2)/2
c) 5cos90 - 3ctg60 = 0 - 3*sqrt(3) = -3sqrt(3)
d) 4ctg30 - 6sin60 = 4sqrt(3) - 3sqrt(3)/2 = 4sqrt(3) - 3sqrt(3)/2
e) 3sin(2π/3) cos(π/6) - tg(3π/4) = 3 (sqrt(3)/2) (sqrt(3)/2) - (-1) = 3 3/4 + 1 = 9/4 + 1 = 13/4
a) sin60 - cos60 = (sqrt(3)/2) - (1/2) = sqrt(3)/2 - 1/2 = sqrt(3)/2 - 1/2
b) 2tg45 - sin45 = 2 - sqrt(2)/2 = 2 - sqrt(2)/2
c) 5cos90 - 3ctg60 = 0 - 3*sqrt(3) = -3sqrt(3)
d) 4ctg30 - 6sin60 = 4sqrt(3) - 3sqrt(3)/2 = 4sqrt(3) - 3sqrt(3)/2
e) 3sin(2π/3) cos(π/6) - tg(3π/4) = 3 (sqrt(3)/2) (sqrt(3)/2) - (-1) = 3 3/4 + 1 = 9/4 + 1 = 13/4