2sin^x+3cosx-3=0 [4pi;5pi]...

MrHUPPY @MrHUPPY

July 2022 1 2 Report

2sin^x+3cosx-3=0
[4pi;5pi]

Answers & Comments

Armenia2780 2sin²x+3cosx-3=0

2(1-cos²x)+3cosx-3=0

-2cos²x+3cosx-1=0

2cos²x-3cosx+1=0

cosx=t€[-1;1]

2t²-3t+1=0
D=9-8=1
t=(3±1)/4
t1=1;t2=1/2
1)cosx=1
x=2πn

2)cosx=1/2
x=±arccos1/2+2πn
x=±π/3+2πn;n€Z

0 votes Thanks 0

More Questions From This User See All

MrHUPPY July 2022 | 0 Ответы

reshite pozhalujsta 1 2 ochen nuzhno

MrHUPPY July 2022 | 0 Ответы

reshite sistemu neravenstv 2xlt0 2x1lt0

рекомендуемые вопросы

rarrrrrrrr August 2022 | 0 Ответы

o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n

danilarsentev August 2022 | 0 Ответы

est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha

myachina8 August 2022 | 0 Ответы

najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie

ydpmn7cn6w August 2022 | 0 Ответы

Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...

millermilena658 August 2022 | 0 Ответы

opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii

MrZooM222 August 2022 | 0 Ответы

ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi

timobila47 August 2022 | 0 Ответы

kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta

ivanyyaremkiv August 2022 | 0 Ответы

pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513

sarvinozwakirjanova August 2022 | 0 Ответы

pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631

Helpful Links

Политика конфиденциальности

Правила и условия

Контакты

Helpful Social

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.