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lilg132

  • 3 years ago

use integration to evaluate the result of :

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  1. lilg132
    • 3 years ago
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    \[{Z = \int\limits_{}^{}7\sin3\theta d \theta} \] at \[ ({\pi \over 6},2)\]

  2. TuringTest
    • 3 years ago
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    u-substitution\[u=3\theta\implies du=3d\theta\]

  3. TuringTest
    • 3 years ago
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    \[d\theta=\frac73\]so the integral becomes\[\frac73\int\sin udu\]

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