三角函数诱导公式怎么用啊,有技巧嘛,像那个什么奇变偶不变,比如sin(17π/2—a)怎么算啊,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 14:27:24
![三角函数诱导公式怎么用啊,有技巧嘛,像那个什么奇变偶不变,比如sin(17π/2—a)怎么算啊,](/uploads/image/z/203457-57-7.jpg?t=%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E8%AF%B1%E5%AF%BC%E5%85%AC%E5%BC%8F%E6%80%8E%E4%B9%88%E7%94%A8%E5%95%8A%2C%E6%9C%89%E6%8A%80%E5%B7%A7%E5%98%9B%2C%E5%83%8F%E9%82%A3%E4%B8%AA%E4%BB%80%E4%B9%88%E5%A5%87%E5%8F%98%E5%81%B6%E4%B8%8D%E5%8F%98%2C%E6%AF%94%E5%A6%82sin%EF%BC%8817%CF%80%2F2%E2%80%94a%EF%BC%89%E6%80%8E%E4%B9%88%E7%AE%97%E5%95%8A%2C)
xVN#GH#
-e
,]ؘ1<1m R^9.3$,"Aw>ν[50ͫ1l]D,{-WD!BWU^:sgn̎[GzM"$"9tϫ)|0ˋ̿4CO}iCsNEp+|Ans
o(HE(yT x*L=;®k~钳\k;r~=9O^$:>dae|PN-֓.T'^Lⱨ)O(tI,ARVu˳tRyW+h!)$"Pnt%4Dx)&hCE&]3{fnb.q)Zx$dラAn }D#D4˓F<؍'aInkh$#\V@QYc='[)*Jjz5!kj_QW*|aG&{^5R}n== FTRRUdV[>c;R>