(sinx)^6+(sinx)^5在-2分之派到2分之派的定积分?

问题描述:

(sinx)^6+(sinx)^5在-2分之派到2分之派的定积分?
如题

∫(- π/2→π/2) [sin⁶x + sin⁵x] dx= ∫(- π/2→π/2) sin⁶x dx + ∫(- π/2→π/2) sin⁵x dx前面偶函数,后面奇函数= 2∫(0→π/2) sin⁶x dx + 0= 2 * 5!/6! * π/2= 2 * (5 * 3 *...