akinwunmijames26 akinwunmijames26

12-10-2020
Mathematics

contestada

prove that (Cosx-Cos³x)/Sinx=SinxCosx

Respuesta :

Azkanoor427 Azkanoor427

12-10-2020

Answer:

(Cosx-Cos³x)/Sinx=SinxCosx

Step-by-step explanation:

sin3x−cos3x

=sinxsin2x−cosxcos2x

=sinx(1−cos2x)−cosx(1−sin2x)

=sinx−sinxcos2x−cosx+cosxsin2x

=sinx−cosx+(sinx−cosx)sinxcosx

=(sinx−cosx)(1+sinxcosx

Answer Link

Otras preguntas

Which computer port transmits audio and video without the need for compression?

What was the Reconquista?

Three days after a cholecystectomy, a client states, i feel like my stomach is going to burst. the client is taking a regular diet. after determining that vital

• there are approximately 3,000,000,000 base pairs in the mammalian genome (genes constitute only a small portion of this total) • there are approximately 10,00

For the given conditional statement, determine which of the following option(s) has a truth value of true. Select all that apply. If a polygon is regular, then

A concession stand vendor counts the money in the register. After 2 h, it has $82.75. After 6 h, it has $360.75. How much money will be in the register at the e

The population of medfield is 7000 Capitol City's population is 8/25 of Medfields what is capitol city's population

Which activity is part of the revision process?1. brainstorming ideas2 .writing freely3. choosing a topic4. adjusting details

8sin45+5cos45/sin345 -2cos3

What is the unit rate per bottle if a pack of 24 bottles of juice sells for $9.60