f(x)=cos³x+2∫ f(x)dx,积分区间位0到二分之派,求f(x),求大神解答

f(x)=cos³x+2∫ f(x)dx,积分区间位0到二分之派,求f(x),求大神解答
f(x)=cos³x+2∫ f(x)dx,积分区间位0到二分之派,求f(x),求大神解答

f(x)=cos³x+2∫ f(x)dx,积分区间位0到二分之派,求f(x),求大神解答
易知f(x)=(cosx)^3+C,求它在0到π/2上的定积分,带回原来的等式,求出C