Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
heatherh294
Group Title
Find local min and max and the points of inflection for
f(x)= 3(cos(x))^2  6sin(x)
 2 years ago
 2 years ago
heatherh294 Group Title
Find local min and max and the points of inflection for f(x)= 3(cos(x))^2  6sin(x)
 2 years ago
 2 years ago

This Question is Open

freewilly922 Group TitleBest ResponseYou've already chosen the best response.0
Do you know how to do the chain rule with respect to trig functions?
 2 years ago

freewilly922 Group TitleBest ResponseYou've already chosen the best response.0
Example \[ \bigg(\cos^4(x)\bigg)^{\prime}=4\cos^3(x)\]
 2 years ago

freewilly922 Group TitleBest ResponseYou've already chosen the best response.0
oh and generally \[\cos^2(x) = (\cos(x))^2\]
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
let me write it correctly \[f'(x)=6\cos(x)\sin(x)6\cos(x)]\] that's better
 2 years ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
\[\(cos^2(x))'=2\cos(x)(\sin(x))=2\cos(x)\sin(x)\]
 2 years ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
@freewilly922 your example is a little off
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
mine was way off!
 2 years ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
Corrected example from above: \[(\cos^4(x))'=4\cos^3(x)(\sin(x))=4\cos^3(x)\sin(x)\]
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
i just ate a mini kitkat
 2 years ago
See more questions >>>
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.