(1-sin^6 a-cos^6 a)/(sin^2 a-sin^4 a)的化简结果,

(1-sin^6 a-cos^6 a)/(1-sin^4 a-cos^4 a)的化简结果 (1-sin^6a-cos^6a)/(sin^2a-sin^4a) 1-cos^6(a)-sin^6(a)化简得3sin^(a)cos^(a)的详细过程! 1-sin^6a-cos^6a分之1-sin^4a-cos^4a 化简 求值:1-sin^6a-cos^6a/1-sin^4a-cos^4a 化简1-sin^4a-cos^4a/1-sin^6a-cos^6a (1-sin^4a-cos^4a)/(1-sin^6a-cos^6a) （1-sin^6a-cos^6a)/(1-sin^4a-cos^4a)=? 化简(1-sin^6 a-cos^6 a)/(cos^2 a-cos^4 a)== 化简Sin A + Sin 2A / 1+cos A + 已知(4sin a－2cos a)／(5cos a +3sin a)=6/11,求cos＾4 a－sin＾4 a sin a +cos a = (根号下2)sin(a+pi/4)如何化简?