anonymous
  • anonymous
please show me derivative of sec ^2 x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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RadEn
  • RadEn
use the chain rule !
RadEn
  • RadEn
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terenzreignz
  • terenzreignz
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

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anonymous
  • anonymous
why u use chain rule not quotient rule????
terenzreignz
  • terenzreignz
Many paths to the top of the mountain, Champ ;) Some of them steeper, or rockier than the others, but all having the same destination.
anonymous
  • anonymous
then how u get the tan x???
terenzreignz
  • terenzreignz
Besides, using quotient rule will have you using chain rule anyway :D
terenzreignz
  • terenzreignz
tan²x and sec²x have the same derivative, well, because... sec²x = tan²x + 1

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