函数式子化简1-(sin^6∝+cos^6∝)原式=1-(sin^2∝+cos^2∝)(sin^4∝-sin^2∝*cos^2∝+cos^∝)式子中这一步是怎样得来的?(sin^4∝-sin^2∝*cos^2∝+cos^∝)

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函数式子化简1-(sin^6∝+cos^6∝)原式=1-(sin^2∝+cos^2∝)(sin^4∝-sin^2∝*cos^2∝+cos^∝)式子中这一步是怎样得来的?(sin^4∝-sin^2∝*cos^2∝+cos^∝)
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函数式子化简1-(sin^6∝+cos^6∝)原式=1-(sin^2∝+cos^2∝)(sin^4∝-sin^2∝*cos^2∝+cos^∝)式子中这一步是怎样得来的?(sin^4∝-sin^2∝*cos^2∝+cos^∝)
函数式子化简
1-(sin^6∝+cos^6∝)
原式=1-(sin^2∝+cos^2∝)(sin^4∝-sin^2∝*cos^2∝+cos^∝)
式子中这一步是怎样得来的?
(sin^4∝-sin^2∝*cos^2∝+cos^∝)

函数式子化简1-(sin^6∝+cos^6∝)原式=1-(sin^2∝+cos^2∝)(sin^4∝-sin^2∝*cos^2∝+cos^∝)式子中这一步是怎样得来的?(sin^4∝-sin^2∝*cos^2∝+cos^∝)
立方和公式阿,x^3+y^3=(x+y)(x^2-xy+y^2)

没错!!!