知sina+cosa=1/5,0
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 12:10:26
x){>iqf^vr~qMR>6a;
J9Q(id A$\0YgÓKt
`8 &̅J*Te
5}:{lmT/.H̳
bGP@lΧ?nh "{@+(( H(h$tA2qF(%r:k~O?D7R8BU;}!&
7'!@1]}c
9HatQ:P
知sina+cosa=1/5,0
sina+cosa=1/5,0
已知sina+cosa=1/5,0
设sinA+cosA=1/5,0
sina+cosa=1/5(0
sina+cosa=-1/5,0
已知sina+cosa=1/5,0
已知sina+cosa=-1/5,0
sina+cosa=-1/5,0
sina+cosa=1/5(0
已知sina+cosa=1/5,0
已知sina+cosa=1/5(0
已知sina+cosa=-1/5(0
已知3sina+cosa=0求(1)(3cosa+5sina)/sina-cosa(2)sina+2sinacosa-3cosa
已知,5sina+2cosa=0,求sina*cosa
已知12sina+5cosa=0,求sina,cosa
已知sina+cosa=1/5,则sina*cosa=
已知sina+cosa=1/5求sinacosa,sina-cosa