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onegirl
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Use a pythagorean Trig. Identity to simplify the function, then take derivative of this function. f(x) = 4x^2 tan x.
 one year ago
 one year ago
onegirl Group Title
Use a pythagorean Trig. Identity to simplify the function, then take derivative of this function. f(x) = 4x^2 tan x.
 one year ago
 one year ago

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onegirl Group TitleBest ResponseYou've already chosen the best response.0
@Mertsj can u help?
 one year ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.0
Is it: \[4x^2\tan x\]
 one year ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.0
\[\tan x=\sqrt{1\sec ^2x}\]
 one year ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.0
That's using a Pythagorean identity.
 one year ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.0
So you would be taking the derivative of \[4x^2\sqrt{1\sec ^2x}\]
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
okay i'll do that
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
i got 4x(x + sin(2x)) sqrt(tan^2 (x)) csc (x) sec (x)
 one year ago
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