упростите выражение cos 5x+ cos3x /sin 8x. Created by вова727. algebra-ru

sin 8x...

вова727 @вова727

August 2022 1 3 Report

упростите выражение cos 5x+ cos3x /sin 8x

Answers & Comments

NNNLLL54

Verified answer

$\frac{cos5x+cos3x}{sin8x} = \frac{2cos4x\cdot cosx}{2sin4x\cdot cos4x} = \frac{cosx}{2sin2x\cdot cos2x}=\\\\=\frac{cosx}{4sinx\cdot cosx\cdot cos2x}=\frac{1}{4\cdot sinx\cdot cos2x}$

2 votes Thanks 2

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

moment. 6....

pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513

sarvinozwakirjanova August 2022 | 0 Ответы

pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631

Answers & Comments

Verified answer

рекомендуемые вопросы

Helpful Links

Helpful Social