Evaluate the following integrals:
∫ sin4 x cos3 x dx
Let 
We know the Differentiation of 
So,
substitute all in above equation,
∫ sin4 x cos3 x dx = 
= 
= 
= 
= 
We know, basic integration formula, ∫xⁿ dx = 
+ c for any c≠-1
Hence, 
Put back t = sin x
∫ sin4 x cos3 x dx = 
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