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املأ الفراغ
d/dx [cos2x]=
-ax
2a2xlnlna
-2sin2x
d/dx[tantan5x]=
5/(1+25x2)
55x
5x
d/dx[tanh2x]=
h2x
hx
2h2x
d/dx [cos3x]=
tan(3x)
-3sin(3x)
3sin(x)
d/dx[cot4x]=
x
-x
-4x
d/dx [tan2x]=
22x
2x
3x
d/dx [sinh3x]=
-3coshx
nx
3cosh3x
d/dx [sinx4]=
12x3
4x3cosx4
x3cosx4
d/dx [4cosx]=
-4cosx
4sinx
-4sinx
d/dx[sec(2x)]=
2sec2xtan2x
tan2x
-sec2xtanx
إنتهى الإختبار.