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 one year ago
I'm having trouble solving this question, can anyone help me?
Find the equation of the tangent line at the given point.
f(x)=csc(x) (8, csc(8))
 one year ago
I'm having trouble solving this question, can anyone help me? Find the equation of the tangent line at the given point. f(x)=csc(x) (8, csc(8))

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Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1Find the first derivative of your function. Then evaluate at your point.

Noelaamaro
 one year ago
Best ResponseYou've already chosen the best response.0I have my derivative = csc(x) cot(x) Am I on the right track?

Noelaamaro
 one year ago
Best ResponseYou've already chosen the best response.0Then plug in the x=8 and ill get the yintercept right?

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1Use point slope form.

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1\[yy_{1}=m(xx_{1})\]

Noelaamaro
 one year ago
Best ResponseYou've already chosen the best response.0I've got y=xcsc(x)cot(x)+8csc(x)cot(x)+csc(8) This doesn't seem right

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1No, you need to find the slope at your point first. Do not plug any values into the form yet.

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1\[f'(x)=cotxcscx\]

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1your point is (8, csc(8))...So..

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1\[f'(8)= \cot(8)\csc(8)\]

Noelaamaro
 one year ago
Best ResponseYou've already chosen the best response.0Sorry your last four messages say math processing error, can you input it again please

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1\[yy_{1}= (\cot(8)\csc(8))(xx_{1})\]

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1f(x)=cscx f′(x)=−cotxcscx your point is (8, csc(8))...So.. f′(8)=−cot(8)csc(8) y−y1=(−cot(8)csc(8))(x−x1)

Brittni0605
 one year ago
Best ResponseYou've already chosen the best response.1ycsc(8)=(cot(8)csc(8))(x8) y=(cot(8)csc(8)x)+8cot(8)csc(8)+csc(8)

Noelaamaro
 one year ago
Best ResponseYou've already chosen the best response.0Sorry I was working it out, nice to see I'm on the right track though so far

Noelaamaro
 one year ago
Best ResponseYou've already chosen the best response.0I've got y=51.12604x+416.19363

robtobey
 one year ago
Best ResponseYou've already chosen the best response.0A solution and plots using the Mathematica 9 Home Edition program is attached.
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