Sin64cos26+cjs64sin26-sin30=sin(64+26)-sin30=sin100-sin30=-0.5-2/1=-0.5-0.5=-1
x^3 - 4x^2 - 9x + 36 = 0
x^2 (x - 4) - 9(x - 4) = 0
(x - 4)*(x^2 - 9) = 0
x1 = 4
x2 = - 3
x3 = 3
2^-2×8^2=-64
-5+1/5^-3=120
-2×6^-3=-2/216=-1/108
((4^-2)^-10)^-1=4^-20
Y=kx+b
M(-2;-4)
N(1;3)
-4=-2k+b
3=k+b
k=7/3
b=2/3
y=7x/3 +2/3
Ответ:у=7х/3 +2/3