为什么三角函数要研究边的比值解释一下研究比值的意义及用途,还有怎么预习,谢啦~

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/08 12:33:19
xUNIm<"e"E@X%c#<2j6/`'68ހz1TUw? sv`aH#!tsQub(DK5eĈVkˬϷX3OvY?Od'5-Nw%Zf%kRbS׮&Y:-Z|]5Sxa}iӽE+4Y5)Q_C@8&G7^ȱ?kr, R Zwg<:lw4D"d}h^٧@d-n%4Qf{j7v>xÁqGqeq"iܼgqDVQ̞B Hc螕M}J}ZѕPWf R8d[;RelT UJ h񓗑j$wF4'F&gT&ꅗcR2?ZbŚ]=E1w11:8~zf(h&h"̾,1dH`@=^z vϞ~cHD5<ѠJC߫Z0$GM?}{H[WJ?oM>ZdXIWbDP^L1| }CQoG dզU-b9"7mnayXmBrhFbN9@O8gط,VކnD뿈+'d@}2nM{a-Cwɸm'x~H'r BTr(Jz:m +Mu\F$]K x/!# O8r r+qr w/ivʂ&Y6>XkI:B`1z˦t׆1em zg ):Z?/;Ly.9(҅$W