ÎÞÏß·ÓÉÆ÷TP - LINKÉèÖõÄ먦ÆôSSIN¹ã²¥ ÎÒµÄÊÖ»úÐͺÅÊÇHTC...

°ÑÍøÏß²åÔÚ·ÓÉÆ÷ÉϵÚÒ»¸ö¿Õ£¬ÔÙÓÃÁíÒ»¸ùÍøÏßÁ¬½Ó·ÓÉÆ÷ºÍµçÄÔ£¬ÓõçÄÔ½øÈë·ÓÉÆ÷ÉèÖýçÃæÉèÖÃÃû³Æ£¬ÀàÐͺÍÃÜÂ룬ȻºóÔÙÓÃÊÖ»úËÑË÷...


ssin45cos15+cos225sin15

cos225=cos£¨180+45£©=-cos45£¬Ôòsin45*cos15+cos225*sin15 =sin45*cos15-cos45*sin15 =sin£¨45-15£©=1/2 ~Èç¹ûÄãÈÏ...


º«Á÷Ã÷ÐǵÄinsÕ˺Żã×Ü?

ÓÏÄÎ : yn_s_1230 çä¶ð : kvwowv ²Ý¶ð£ºqueenchoa_Apink ³õç磺mulgokizary ÆÕÃÀ£º__yoonbomi__...


¹ØÓÚMATLABµÄ¼¸¸öÌ⡤¡¤(1)ÓÃÆðÅÝ·¨¶Ô10 ¸öÊýÓÉСµ½´ó...

(6)±àдssin (x )º¯Êý,ÒªÇó:A.ÊäÈ뻡¶ÈÖÆÄܼÆËãÕýÈ·µÄsinx µÄÖµ,Àý:sin1=0.8415,sin1000=0.8269.B.sin(x)°´¸µÀïÒ¶¼¶ÊýÕ¹¿ª. ɨÂë...


500KVA±äѹÆ÷µÄÊÓÔÚ¹¦ÂʺÍÎÞ¹¦¹¦ÂÊÔõô¼ÆËã

500KVA±äѹÆ÷µÄÊÓÔÚ¹¦ÂÊ£ºS=1.732UI£½500000VA£»500KVA±äѹÆ÷µÄÎÞ¹¦¹¦ÂÊ£ºQ=Ssin¦µ£½500000*0.6£½300...


΢»ý·Ö¹«Ê½ÖеĴó¡°S¡±¶Áʲô(Ssindx= - cosx)?

¡Ò:À­¶¡ÎÄsummaÊ××ÖĸµÄÀ­³¤£©£¬¼´ÖªµÀÁ˺¯ÊýµÄµ¼º¯Êý£¬·´ÇóÔ­º¯Êý¡£¡Òsinxdx=-cosx+C


ÓÐÄÄЩºÃÌýµÄÖÐÎÄ˵³ª°¡?

ÔÚ±±¾©µÄÖÚ¶àRapperµ±ÖУ¬ÁºÎ¬¼ÎSaberÊÇÎÒ¸öÈ˷dz£Ï²»¶µÄһλ¡£ËûÊÇÑݳª¡¢×÷´Ê¡¢×÷ÇúÓÚÒ»ÉíµÄ³ª×÷ÈË¡£S...


...L=7.01H,½ÓÈëµçÔ´µçѹu=220¸ùºÅ2Ssin(314t+30¶È)v...

L=7.01H,u=220¡Ì2sin(314t+30¡ã)V¡£(1)U(ÏàÁ¿)=220¡Ï30¡ãV,¦Ø=314rad/s¡£µç¸Ðµç¿¹:XL=¦ØL=314¡Á7.01¡Ö2200(¦¸)¡£...


Ò»µÀ¸ß¶þÎïÀíµç´Å¸ÐÓ¦µÄÌâÄ¿

ËùÒÔ¦¤Q=BLv¦¤t/R=BL¦¤s/R.£¨¦¤sΪ¦¤tʱ¼äÄÚµÄλÒÆ£©¿ÉµÃ£ºQ=BLs/R¡£½âµÃÏ»¬µÄλÒÆs=QR/BL=5m¡£Ï½µµÄ¸ß¶Èh=ssin37...


¶þÔªÊýºÍ¸´ÊýµÄ¹ØϵÊÇʲô?

ÕâʹÎÒÃǺÜÒÉ»ó£ºÎªÊ²Ã´ÏòÁ¿U²»ÄܳËÒÔÏòÁ¿I£¿ÁíÍ⣬ÎÒÃÇÖªµÀ£¬Óй¦¹¦ÂÊP=Scos¦Õ£¬ÎÞ¹¦¹¦ÂÊQ=Ssin¦Õ£¬...


Ïà¹ØËÑË÷

ÈÈÃÅËÑË÷