11. the integral +4sin-4sindr is equal to -4-43 d. t-4 c.4+43 d-44 12. let fbe a non-negative function defined on the interval [0,1]. if - =)a. 05xsl andf (0)=0

11. The integral +4sin-4sindr is equal to -4-43 d. T-4 C.4+43 d-44 12. Let fbe a non-negative function defined on the interval [0,1]. If - =)a. 05xsl andf (0)=0, then