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July 2022 1 13 Report

Помогите Я на уроке не мог решить хочу узнать как это решается
система уравнений
sinx+cosy=1/2
siny-cosx=1/2

Answers & Comments

xtoto $\left \{ {{sin(x)+cos(y)=\frac{1}{2}} \atop {sin(y)-cos(x)=\frac{1}{2}}} \right. \\\\
 \left \{ {{sin(x)+cos(y)-[sin(y)-cos(x)]=\frac{1}{2}-\frac{1}{2}} \atop {sin(y)-cos(x)=\frac{1}{2}}} \right. \\\\
 \left \{ {{[sin(x)+cos(x)]-[sin(y)-cos(y)]=0} \atop {sin(y)-cos(x)=\frac{1}{2}}} \right. \\\\
 \left \{ {{\sqrt{2}sin(x+\frac{\pi}{4})-\sqrt{2}sin(y-\frac{\pi}{4})=0} \atop {sin(y)-cos(x)=\frac{1}{2}}} \right. \\\\$

$\left \{ {{sin(x+\frac{\pi}{4})-sin(y-\frac{\pi}{4})=0} \atop {sin(y)-cos(x)=\frac{1}{2}}} \right. \\\\ 
 \left \{ {{2sin(\frac{x-y}{2}+\frac{\pi}{4})*cos(\frac{x+y}{2})=0} \atop {sin(y)-cos(x)=\frac{1}{2}}} \right. \\\\ 
 \left \{ {{\frac{x-y}{2}+\frac{\pi}{4}=\pi n,\ n\in Z\ \ \ or\ \ \ \frac{x+y}{2}=\frac{\pi}{2}+\pi n,\ n\in Z} \atop {sin(y)-cos(x)=\frac{1}{2}}} \right. \\\\$

$\left \{ {no numeric noise key 1146no numeric noise key 1145+2\pi n,\ n\in z\ \ or\ x+y =\pi+2\pi z} \atop no numeric noise key 1144no numeric noise key 1143}} \right. \\\\ 
 1142no numeric noise key 1141-2\pi y =-x+\pi+2\pi 1140no numeric noise key 1139}} 1138no numeric noise key 1137-2\pi 1136no numeric noise key 1135-2\pi n]-cos(x) =\fracNO NUMERIC NOISE KEY 1134no numeric noise key 1133}} \right.\ 1132 1131no numeric noise key 1130}} \\\\$

$\left \{ {no numeric noise key 1110no numeric noise key 1109-2\pi n,\ n\in z} \atop no numeric noise key 1108no numeric noise key 1107+x)-cos(x)=\fracNO NUMERIC NOISE KEY 1106no numeric noise key 1105}} \right.\ or\ 1104 1103no numeric noise key 1102}} \right. \\\\
 1101no numeric noise key 1100-2\pi 1099no numeric noise key 1098}} 1097 1096no numeric noise key 1095}} \\\\
\left 1094 1093no numeric noise key 1092}} \\\\$

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Answers & Comments

pomogite kak reshit eto zadanie294c8a3ce198da2f1f4a47100e8b3314 16744

2 sinxsiny koren iz 2 ya pytalsya reshit no ne ponyal chto delat dalshe pomogite

so2 po2 mgo2 ko2 pomogite pozhalujsta s himiej rasstavit koefficenty

4 spasibo za otvetf5cfa1990fe6d5245682d972d13e61b3 80622

pomogite ya hochu znat kak takoe reshat kazhetsya otvet 1 no ne uveren spasibo

pomogite reshit zadachu po kakomu metodu nado reshat podobnye zadachi

pomogite reshit zadanie ne mogu opredelit zakonomernost

pomogite s zadaniem ne mogu ponyat kak ego reshat nado kak to sostavit uravneni

pomogite s treugolnikom vsyo ponyatno teoreme pifagora a chto dalshe ne znayu

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