y = sin²2x
Производная
y' = 2sin2x · cos2x · 2
y' = 2sin4x
2sin4x = 0
sin4x = 0
4x = πk
x = πk/4 (k∈Z)
y = sin²2x
Производная
y' = 2sin2x · cos2x · 2
y' = 2sin4x
2sin4x = 0
sin4x = 0
4x = πk
x = πk/4 (k∈Z)