x3sinx2
(sinX)ƽ·½µÄÔº¯Êý
¡Ò(sinx)^2dx=¡Ò[(1-cos2x)/2]dx=x/2-sin(2x)/4+C
º¯Êýy=x3+2sinxÊÇʲôº¯Êý?X3ÊÇÖ¸xµÄ3´Î·½.
ÒòΪf(-x)=-x?-2sinx=-f(x)f(0)=0+2sin0=0 ËùÒÔº¯ÊýΪ¶¨ÒåÓòΪRµÄÆæº¯Êý Ï£Íû¶ÔÄãÓÐËù°ïÖú,Íû²ÉÄÉ,лл
sin32¼°ÆäСÊýsin32.1¶ÈµÄÕýÏÒÖµ½üËÆ¼ÆËã - °Ù¶È¾Ñé
3 sinx£¬cosxÔÚx=0´¦Ì©ÀÕÕ¹¿ª¸ù¾ÝÌ©ÀÕÃݼ¶ÊýÕ¹¿ª£¬ÓУºsinx=x-x3/3!+x5/5!-x7/7!+...+(-1)n*x2n+1/(2n+1)!,cosx=1-x2/2!+x4/4...
...A.2(x - sinx)B.2xsinx2C.sinx2D.1+x3
cosx)=limx¡ú0+x22?12x2£½1£¬¹ÊAÕýÈ·£®¢ÚÑ¡ÏîB£®ÓÉÓÚlimx¡ú0+¡Òx0sint2dt2xsinx2=limx¡ú0+sinx22sinx2+4x2cosx2=limx¡ú0+2x10xcosx2?8x3sinx2=limx¡ú0+...
º¯Êýf(x)=x3 ?sinx+2µÄͼÏó( )A.¹ØÓÚµã(2,0)¶Ô³ÆB.¹ØÓÚµã...
¡ßÉèg£¨x£©=x3-sinx£¬Ôòg£¨-x£©=-x3+sinx=-g£¨x£©£¬¡àg£¨x£©ÊÇÆæº¯Êý£¬ÇÒº¯Êýg£¨x£©µÄͼÏó¹ØÓڵ㣨0£¬0£©¶Ô³Æ£¬¡àf£¨x£©=g£¨x£©+2µÄͼÏó¹ØÓڵ㣨0£¬2...
...º¯Êýy=2sin(x3+¦Ð6),x¡ÊRµÄͼÏó,Ö»Ðè°Ñº¯Êýy=2sinx...
½â´ð:½â:Áîy=f(x)=2sinx3,Ôòf(x+¦Ð2)=2sin13(x+¦Ð2)=2sin(x3+¦Ð6),¡àΪÁ˵õ½y=2sin(x3+¦Ð6)µÄͼÏó,Ö»Ðè°Ñº¯Êýy=2sinx3µÄͼÏóÉÏËùÓеĵãÏò×óÆ½ÒÆ¦Ð...
º¯Êýy=x3+2sinxÊÇÆæ»¹ÊÇżº¯Êý
Áîf(x)=x^3+2sinx (x^3±íʾxµÄ3´Î£©f(-x)=(-x)^3+2sin(-x)=-x^3-2sinx ËùÒÔf(x)=-f(-x)ËùÒÔf(x)ÊÇÆæº¯Êý
Xsinx2µÄÔº¯ÊýÊǶàÉÙ X³ËÒÔsinxµÄƽ·½µÄÔº¯ÊýÊǶàÉÙ - °Ù¶È...
x)ÊÇÒ»¸ö¶¨ÒåÔÚÄ³Çø¼äµÄº¯Êý,Èç¹û´æÔÚº¯ÊýF(x),ʹµÃÔÚ¸ÃÇø¼äÄÚµÄÈÎÒ»µã¶¼ÓÐ dF'(x)=f(x)dx,ÔòÔÚ¸ÃÇø¼äÄھͳƺ¯ÊýF(x)Ϊº¯Êýf(x)µÄÔº¯Êý.Àý£ºsinxÊÇcosx...
lim xÇ÷ÓÚ0,ÓÐ(sinx/x)µÄ(1/(x^2))´Î·½,Çó¼«ÏÞΪʲô...
Çó¼«ÏÞlim(xÇ÷Ïò0)tanx-sinx/x3´Î·½,¸ßÊýÂ屨´ï·¨ÔòÇó¼«ÏÞlim(xÇ÷½üÓÚ0+)ʱxµÄsinx´Î·½ÔõôËã?¼«ÏÞÌâlim x¡ú0 sinxÈý´Î·½ ·ÖÖ® tanx-sinxÌØ±ðÍÆ¼ö Èȵ㿼µã 2022Äê¸ß¿¼ÕæÌâ...
Éèµ±x ¡ú0ʱ,a(x2 + x3 )Óësin x2ÊǵȼÛÎÞÇîС,Ôòa =...
xÇ÷ÓÚ0 sinx8~x²µÈ¼ÛÔòlima(x²+x³)/sinx²=1 lima(x²+x³)/x²=1 lima(1+x)=1 ËùÒÔa=1 ...