Integral of 5sin^(3/2)x*cosx dx

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SUMMARY

The integral of 5sin^(3/2)x*cosx dx can be solved using substitution. The suggested substitution involves letting u = sin(x), which simplifies the integral significantly. Integration by parts is not necessary for this particular problem. The discussion highlights the importance of recognizing the correct substitution to facilitate the integration process.

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I'm having trouble with this integral:

integral of 5sin^(3/2)x*cosx dx

any suggestions? i tried integration by substitution but it didnt work.
do i need to do integration by part?? help!
 
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fiziksfun said:
I'm having trouble with this integral:

integral of 5sin^(3/2)x*cosx dx

any suggestions? i tried integration by substitution but it didnt work.
do i need to do integration by part?? help!

Hi fiziksfun! :smile:

Do you mean ∫5[(sinx)^(3/2)]cosx dx ?

Because, if you did the obvious substitution, it should have worked :confused:
 

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