(1+sina)/cosa=(1+tana/2)/(1-tana/2)请不要把以前同问的回复答案再复制一遍- -
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 04:00:02
![(1+sina)/cosa=(1+tana/2)/(1-tana/2)请不要把以前同问的回复答案再复制一遍- -](/uploads/image/z/11428858-10-8.jpg?t=%281%2Bsina%29%2Fcosa%3D%281%2Btana%2F2%29%2F%281-tana%2F2%29%E8%AF%B7%E4%B8%8D%E8%A6%81%E6%8A%8A%E4%BB%A5%E5%89%8D%E5%90%8C%E9%97%AE%E7%9A%84%E5%9B%9E%E5%A4%8D%E7%AD%94%E6%A1%88%E5%86%8D%E5%A4%8D%E5%88%B6%E4%B8%80%E9%81%8D-+-)
xTmoP+$&f
)w5IjL$P؋Ԏefeʊ1ܶҵd?ŦisyzIf+B<9uNN)gd"rdEcX\-(Wq{6OzQ]e(-Sq*ߐ?)
ɦzfI q&~uѫE}5Fbynp0 D~|srOrY9dc~6:LVJa(S<R"~%dAb&7~>=~*蜋?͓gRh1p.i
tPf]GYZuF"X6>tܭ| #'P0h:U!Ñ8&ƙH"f(}?$zZJ!Ywxua߭5&ߑEJ:GQnXs趭3#óQ~mz)