sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期

sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期sinx-sin(x+π/4)最值和周期
hbsss 1年前 已收到1个回答 举报
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mingzhizhizi 幼苗

共回答了18个问题采纳率：88.9% 举报

对于周期问题,有公式
A+B 的周期为 A ,B 周期的最小公倍数
比如
SINX + COS X = 根号2 sin(x+45度)
A*B 的周期为A,B 周期的最大公约数
例如
SINX*COSX=1/2SIN2X
很简单,sinx-sin(x+π/4)=跟号2（cos(x+90度)）的周期为2PI
最值为
正负根号2

1年前

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