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terenzreignzBest ResponseYou've already chosen the best response.0
Which incidentally, is also the derivative of tan²x, illustrating quite elegantly that two functions having the same derivative are not necessarily the same function :D
 one year ago

arifadli8Best ResponseYou've already chosen the best response.0
why u use chain rule not quotient rule????
 one year ago

terenzreignzBest ResponseYou've already chosen the best response.0
Many paths to the top of the mountain, Champ ;) Some of them steeper, or rockier than the others, but all having the same destination.
 one year ago

arifadli8Best ResponseYou've already chosen the best response.0
then how u get the tan x???
 one year ago

terenzreignzBest ResponseYou've already chosen the best response.0
Besides, using quotient rule will have you using chain rule anyway :D
 one year ago

terenzreignzBest ResponseYou've already chosen the best response.0
tan²x and sec²x have the same derivative, well, because... sec²x = tan²x + 1
 one year ago
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