求y=arcsin(sinx)^(1/2)

学习 时间:2026-05-30 18:48:34 阅读:2637
求y=arcsin(sinx)^(1/2)我算得1/2*{1/[(1-sinx)*sinx]}^(1/2),答案是1/2*(1+cscx)^(1/2)

最佳回答

粗心的手机

无语的彩虹

2026-05-30 18:48:34

(sinx)'=cosx[(sinx)^(1/2)]'=(1/2)(sinx)^(-1/2)[arcsin(sinx)^(1/2)]'=1/(1-sinx)^(1/2)y'=(1/2)cosx*(sinx)^(-1/2)*[1/(1-sinx)^(1/2)=(1/2)cosx*(sinx)^(-1/2)*[(1+sinx)^(1/2)/(1-(sinx)^2)^(1/2)]=(1/2)cosx*(sinx)^(-1/2)*[(1+sinx)^(1/2)/cosx]=(1/2)(sinx)^(-1/2)*(1+sinx)^(1/2)=(1/2)[(1+sinx)/sinx]^(1/2)=(1/2)(1/sinx+1)^(1/2)=(1/2)(cscx+1)^(1/2)

最新回答共有2条回答

  • 悲凉的蜜粉
    回复
    2026-05-30 18:48:34

    (sinx)'=cosx[(sinx)^(1/2)]'=(1/2)(sinx)^(-1/2)[arcsin(sinx)^(1/2)]'=1/(1-sinx)^(1/2)y'=(1/2)cosx*(sinx)^(-1/2)*[1/(1-sinx)^(1/2)=(1/2)cosx*(sinx)^(-1/2)*[(1+sinx)^(1/2)/(1-(sinx)^2)^(1/2)]=(1/2)cosx*(sinx)^(-1/2)*[(1+sinx)^(1/2)/cosx]=(1/2)(sinx)^(-1/2)*(1+sinx)^(1/2)=(1/2)[(1+sinx)/sinx]^(1/2)=(1/2)(1/sinx+1)^(1/2)=(1/2)(cscx+1)^(1/2)

上一篇 Mike feels well and can play football=Mike feels --- --- ---

下一篇 说明只有一心一意才能做好事情的名言.