trig Identities 12

User Generated

Nylffn1997

Mathematics

Description

Solve the following equation for 0<x<pie:2cos^x-cosx=0  : . Select all that apply.

User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Explanation & Answer

2cosx-cosx=0 
take cosx common so, 
cosx=0 
now we can write o=cos(pie/2) pie =180 

so we get 

cosx=cos(90) 

x=pie/2


Anonymous
Just what I was looking for! Super helpful.

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4

Related Tags