f( θ)= ( θ+1)cos θ f'( θ)=(1)-sin θ f"9 θ)=-sin θ Is this correct?
Follow Math Help Forum on Facebook and Google+
No. Apply the product rule: f(x)=uv f'(x)=u'v+uv' Let u=(theta+1) and let v=cos(theta)
Originally Posted by RedBarchetta No. Apply the chain rule: f(x)=uv f'(x)=u'v+uv' Let u=(theta+1) and let v=cos(theta) What is the chain rule?? I havent learned of this yet.. SO far in my class we are doing Product and Quotient Rules.
Originally Posted by elpermic What is the chain rule?? I havent learned of this yet.. SO far in my class we are doing Product and Quotient Rules. Oops. Sorry about that! I meant use the 'product rule'. Which is exactly what I posted.
Alright.. thanks! Got cos θ -sin^2 θ -1.
View Tag Cloud