Asked by WAN
ʃ(1-sin A)^2 cos A dA
please help.i don't know how to solve this.i need your help
please help.i don't know how to solve this.i need your help
Answers
Answered by
Steve
simple substitution:
let u = sinA and we have
du = cosA dA
ʃ(1-u)<sup>2</sup> du
= u - u<sup>2</sup> + u<sup>3</sup>/3
= sinA - sin<sup>2</sup>A + sin<sup>3</sup>A/3 + C
let u = sinA and we have
du = cosA dA
ʃ(1-u)<sup>2</sup> du
= u - u<sup>2</sup> + u<sup>3</sup>/3
= sinA - sin<sup>2</sup>A + sin<sup>3</sup>A/3 + C
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