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baldymcgee6

  • 3 years ago

Integral help....

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  1. baldymcgee6
    • 3 years ago
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  2. abb0t
    • 3 years ago
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    Looks right to me.

  3. baldymcgee6
    • 3 years ago
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    but now what?

  4. abb0t
    • 3 years ago
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    Except, wait. No. How did you get the cot/sin in the end?

  5. abb0t
    • 3 years ago
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    You can leave it simply as is w/o separating. Using u-substitution. Use: U = sin

  6. baldymcgee6
    • 3 years ago
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    ok, i'll try that..

  7. matricked
    • 3 years ago
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    @baldymcgee6 correct u can write cotx/sinx =cosecxcotx (and its integral is know)

  8. abb0t
    • 3 years ago
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    oh wait nvm. i see what u did

  9. matricked
    • 3 years ago
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    aliter 1/(cosx-1)= -1/(1-cosx)=-1/(2sin^2(x/2))=-1/2 * cosec^2(x/2) and then integrate

  10. matricked
    • 3 years ago
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    and its integral is cot (x/2) +c

  11. baldymcgee6
    • 3 years ago
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    thanks for the help...

  12. matricked
    • 3 years ago
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    welcome

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