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aprilanahi

  • 3 years ago

How to find the integral of tan^4(x)sec^2(x)(dx)

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  1. hartnn
    • 3 years ago
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    put u=tan x du= .. ?

  2. aprilanahi
    • 3 years ago
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    Sec^2x

  3. aprilanahi
    • 3 years ago
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    (Dx)

  4. hartnn
    • 3 years ago
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    so, after substituting u= tan x what will be the new integral you get in terms of 'u' ?

  5. aprilanahi
    • 3 years ago
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    U^4 (du)

  6. hartnn
    • 3 years ago
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    can you evaluate that ?

  7. aprilanahi
    • 3 years ago
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    (tan^5x)/5 +c

  8. hartnn
    • 3 years ago
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    correct! good :)

  9. aprilanahi
    • 3 years ago
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    find the derivative of sin[ln(cosx^3)]

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