求根号下(1+cosx)除以sinx的不定积分
焦春来回答:
lim(x→0)[√2-√(1+cosx)]/(sinx)^2lim(x→0)[√2-√(1+cosx)]=0lim(x→0)(sinx)^2=0=lim(x→0)[√2-√2|cos(x/2)|]/(sinx)^2lim(x→0)[√2-√2|cos(x/2)|]=0lim(x→0)(sinx)^2=0=lim(x→0...
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求根号下(1+cosx)除以sinx的不定积分
焦春来回答:
lim(x→0)[√2-√(1+cosx)]/(sinx)^2lim(x→0)[√2-√(1+cosx)]=0lim(x→0)(sinx)^2=0=lim(x→0)[√2-√2|cos(x/2)|]/(sinx)^2lim(x→0)[√2-√2|cos(x/2)|]=0lim(x→0)(sinx)^2=0=lim(x→0...