We will____have a picnic tomorrow.A.can B.be able to C.likely D.possible
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We will____have a picnic tomorrow.A.can B.be able to C.likely D.possible
We will____have a picnic tomorrow.A.can B.be able to C.likely D.possible
We will____have a picnic tomorrow.A.can B.be able to C.likely D.possible
B.be able to
选B.be able to
B
We will____have a picnic tomorrow.A.can B.be able to C.likely D.possible
LIAO PI A A
化简间sin(a-2pi)cos(a+pi)tan(a-99pi)cos(pi-a)sin(3pi-a)sin(-a-pi)
pi
pi
cos(a-pi/2)/sin(5pi/2加a)×sin(a-2pi)×cos(2pi-a)
哪个 pi a nei 呜呜
csc(a+pi/2)=?
sec(a-pi/2)=?
sec(a+pi/2)=?
sin(PI/2+a)=-4/5 a属于(Pi,3pi/2)则cos(Pi/3-a)为
cos(Pi+a)=-0.5,3/2Pi
cos(a-pi/3)=12/13,pi/3
解方程:sin(2*a)/pi+(pi-a)/pi=0.8,最好能给出matlab程序.
化简(高一)[sin^2(pi+a)cos(pi+a)]/[tan(pi+a)cos^3(-pi-a)tan(2pi+a)]
tana=2求sin(pi-a)cos(2pi-a)sin(-a+3pi/2)/tan(-a-pi)sin(-pi-a)
f(a)=sin(pi-a)cos(2pi-a)tan(-a+3pi/2)/cos(-pi-a) 求 f(-31pi/3)的值
英语翻译What happens to the orbit of an Earth satellite when it is hit by space debris?We now discuss the modifications we need to make in PI anet and PI anetApp so that we can apply an impulsive force (a kick) by a mouse click.If we apply a vert