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lovekblue

To integral tan^2 x, is it possible to change it to in terms of sin and cos and solve ?

  • one year ago
  • one year ago

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  1. lovekblue
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    opps nvm, just realize i got the same answer with using 1 + tan^x = sec^2x

    • one year ago
  2. lovekblue
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    i mean tan^2 x

    • one year ago
  3. mukushla
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    how about writing it like\[\tan^2 x=1+\tan^2 x-1\]and using the fact that \[\frac{d}{dx}(\tan x)=1+\tan^2 x\]

    • one year ago
  4. mukushla
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    ahh yes :)

    • one year ago
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