Find critical numbers:

http://www.freemathhelp.com/forum/im...s/confused.png How do we solve for at this point?

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- October 17th 2013, 12:13 PMJason76Critical Number Trig Problem
Find critical numbers:

http://www.freemathhelp.com/forum/im...s/confused.png How do we solve for at this point? - October 17th 2013, 12:23 PMSlipEternalRe: Critical Number Trig Problem
How do you normally find critical numbers? Set it equal to zero and solve for .

.

Factor out :

Hence, either or . - October 17th 2013, 12:38 PMJason76Re: Critical Number Trig Problem
Find critical numbers:

Sorry left the out.

- October 17th 2013, 12:51 PMSlipEternalRe: Critical Number Trig Problem
I stand by my initial response.

- October 17th 2013, 05:58 PMJason76Re: Critical Number Trig ProblemQuote:

I stand by my initial response.

Again:

Find critical numbers:

?? Next move? - October 17th 2013, 06:17 PMProve ItRe: Critical Number Trig Problem
Did you not read SlipEternal's post at all? He left you with ONE step...

- October 17th 2013, 06:32 PMJason76Re: Critical Number Trig Problem
Find critical numbers:

?? Now? - October 17th 2013, 06:38 PMSlipEternalRe: Critical Number Trig Problem
You seem to have tremendous difficulty with algebra. If I multiply out what you wrote:

. That is not equal to what you started with. As Prove It said, it appears you either did not read or did not understand my post at all. - October 17th 2013, 06:46 PMJason76Re: Critical Number Trig Problem
Find critical numbers:

?? - October 17th 2013, 06:49 PMSlipEternalRe: Critical Number Trig Problem
Let's multiply out again:

Yes, this is correct. Next step, set the derivative equal to zero. - October 17th 2013, 06:55 PMJason76Re: Critical Number Trig Problem
Find critical numbers:

?? - October 17th 2013, 06:58 PMSlipEternalRe: Critical Number Trig Problem