Пошаговое объяснение:
v(t) = S'(t) = 3*1/3 sin²t * cost = sin²t*cost
v(π/4) = (√2/2)³ = 2√2/8 = √2/4
a(t) = v'(t) = 2sintcos²t - sin³t
a(π/4) = 2(√2/2)³ - (√2/2)³ = (√2/2)³ = √2/4
Пошаговое объяснение:
v(t) = S'(t) = 3*1/3 sin²t * cost = sin²t*cost
v(π/4) = (√2/2)³ = 2√2/8 = √2/4
a(t) = v'(t) = 2sintcos²t - sin³t
a(π/4) = 2(√2/2)³ - (√2/2)³ = (√2/2)³ = √2/4