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Luigi0210
 2 years ago
How would I start this? Tangent line problem.
Luigi0210
 2 years ago
How would I start this? Tangent line problem.

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myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1You to find when f'=0

Luigi0210
 2 years ago
Best ResponseYou've already chosen the best response.3Oh, alright, seems simple enough, thanks!

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1Did you ever find f'?

Luigi0210
 2 years ago
Best ResponseYou've already chosen the best response.3It would be \[\LARGE f'(x)=2cosx+2sinxcosx\] right?

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1right now set that =0 and solve for x

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1\[2\cos(x)(1+\sin(x))=0\]

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1Solve both equations: cos(x)=0 1+sin(x)=0

Luigi0210
 2 years ago
Best ResponseYou've already chosen the best response.3And that'll give me x, to plug in and find y right?

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1yep once you get x here make sure you plug into f(x) to get the corresponding y for each x in that domain given.

Luigi0210
 2 years ago
Best ResponseYou've already chosen the best response.3Alright, thanks again myininaya :)
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