Prove: 
Given: 
As we can see f(x) =x17 .cos4x and f(-x) = (-x)17 .cos4(-x) = -x17 .cos4x
i.e. f(x) = -f(-x)
so, it is an odd function.
It is also known that if f(x) is an odd function then,
Hence proved.
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
