Question

Решите уравнения
cost=v2/2
cos(3п/2+t)=1/2

Answer 1

cos (t)=v*2/2
cos(t)=v*1
cos(t)=v
v=cos(t)
t=R

график..
y=cos(3/2+t)
y=1/2

Answer 2

V - это корень

Answer 3

cos (t)=√2/2

Answer 4

cos(t)=√1
cos(t)=1

Answer 5

t=0+2kп K=Z