(7) int dfrac ({10)^2arcsin x}(sqrt {1-{x)^2}}dx;

(6) int dfrac ({10)^2arcsin x}(sqrt {1-{x)^2}}dx

设=dfrac (arcsin x)(sqrt {1-{x)^2}}（1）证明：=dfrac (arcsin x)(sqrt {1-{x)^2}}（2）求=df

(6) () =dfrac (1)(sqrt {1-{x)^2}} int dfrac (1)(sqrt {1-{x)^2}}dx=() .

(15) int dfrac ({x)^2}(sqrt {1-{x)^2}}dx

.int dfrac (sqrt {1+{x)^2}+sqrt (1-{x)^2}}(sqrt {1-{x)^4}}dx.

[题目] int dfrac (x)(sqrt {1-{x)^2}}dx

int dfrac (dx)(x+sqrt {1-{x)^2}}

int dfrac (dx)(x+sqrt {1-{x)^2}}..

[题目]-|||-int (dfrac (3)(1+{x)^2}-dfrac (2)(sqrt {1-{x)^2}})dx

=dfrac (arcsin x)(x)+dfrac (1)(2)ln dfrac (1-sqrt {1-{x)^2}}(1+sqrt {1-{x)^2}}