y=e^{根号下【1-sin(1/x)】}
y'=e^{根号下【1-sin(1/x)】}*{根号下【1-sin(1/x)】}'
=e^{根号下【1-sin(1/x)】}*1/{2根号下【1-sin(1/x)】}*【1-sin(1/x)】'
=e^{根号下【1-sin(1/x)】}*1/{2根号下【1-sin(1/x)】}*【-cos(1/x)】*(1/x)'
=e^{根号下【1-sin(1/x)】}*1/{2根号下【1-sin(1/x)】}*cos(1/x)*(1/x^2)
如图