Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
lyssamonet
Group Title
how do you find the derivative of f(x)=xsinx+1/cosx?
 one year ago
 one year ago
lyssamonet Group Title
how do you find the derivative of f(x)=xsinx+1/cosx?
 one year ago
 one year ago

This Question is Open

NoelGreco Group TitleBest ResponseYou've already chosen the best response.0
Can you put some parentheses on the righthand side? It's ambiguous.
 one year ago

MathPhysics Group TitleBest ResponseYou've already chosen the best response.0
NoelGreco is right, you gotta clarify that
 one year ago

Xavi Group TitleBest ResponseYou've already chosen the best response.0
If you mean (xsinx+1)/cosx,then use the rule of divide to get ((cosx)(xcosx+sinx)(xsinx+1)(sinx))/(cosx)^2 If you mean xsinx+ 1/cosx,then,find the derivative seperately.Namely,(xcosx+sinx)+secxtanx
 one year ago

pasta Group TitleBest ResponseYou've already chosen the best response.0
product rule for the first part and quotient for the second
 one year ago

bilgads Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ x }{ \cos ^{2}(x) } + tanx (\frac{ \cos x 1}{ \cos x } )\]
 one year ago

pasta Group TitleBest ResponseYou've already chosen the best response.0
sinx+cosx(sinx/cos^2x)
 one year ago

adi171 Group TitleBest ResponseYou've already chosen the best response.0
hmmmm... first use product rule for xsinx... then 1/cosx = secx.... find derivative of secx.. job done
 one year 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.