∫ cos4 2x dx
Cos42x = (cos22x)2
⇒ cos2x = ![]()
⇒ ![]()
⇒ ![]()
⇒ cos24x = ![]()
⇒ ![]()
Now the question becomes
⇒ ![]()
We know ![]()
⇒ ![]()
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AI is thinking…
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Generated by AI. May contain inaccuracies — always verify with your textbook.
