不定积分∫cos2(x+π/3) dx等于多少?
问题描述:
不定积分∫cos2(x+π/3) dx等于多少?
答
∫cos2(x+π/3) dx
=1/2 ∫cos2(x+π/3)d2(x+π/3)
=1/2sin2(X+π/3)+C