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

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

Mertsj
 2 years ago
Best ResponseYou've already chosen the best response.0That's using a Pythagorean identity.

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

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