A community for students.
Here's the question you clicked on:
 0 viewing
agillogly
 3 years ago
Find all solutions to the equation sin(3x)cosxsinx cos(3x)=0 on the interval [0,2pi]
a x=0,pi/4,pi/2,3pi/4,pi,3pi/2,2pi
b x=0,pi/2,pi,3pi/2,2pi
c x=0,pi,2pi
d x=0,pi/2,3pi/2
agillogly
 3 years ago
Find all solutions to the equation sin(3x)cosxsinx cos(3x)=0 on the interval [0,2pi] a x=0,pi/4,pi/2,3pi/4,pi,3pi/2,2pi b x=0,pi/2,pi,3pi/2,2pi c x=0,pi,2pi d x=0,pi/2,3pi/2

This Question is Closed

dpaInc
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1339981024363:dw i just used the rule from sin(A  B) can you take it from here?

agillogly
 3 years ago
Best ResponseYou've already chosen the best response.0no :/ Im not sure how to figure out any other solutions.

dpaInc
 3 years ago
Best ResponseYou've already chosen the best response.1so you have 4 solutions within [0, 2pi]... but 2pi works also so you actually have 5 solutions...

agillogly
 3 years ago
Best ResponseYou've already chosen the best response.0Okay, I see how you did that. It makes sense now. Thanks.
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.