a+b/a-cd simplify this
85/5-5(4+1)
simplify the expression sin20°cos40° + cos20°sin40°
75+57=
(3.06202+1)^2=4p(10.05-8.8)
cos y dy/dx = 2 sin^2 x cos x
x-y-z=1
3x-2y+2z=3
2x-y+3z=-1
cos y dy/dx = 2sin^2 x cos x
identify the values of a,b,c in the quadratic equation 8x^2-4x+3=6x-5 with a<0
