Wiranta Kusumo's answer to wp's Secondary 4 A Maths question.
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Hopefully my working is clear enough for you to understand the approach to answering the question. If you have anymore queries feel free to ask me. All the best! :)
Date Posted:
6 years ago
How did you differentiate y?
Use Product Rule; basically let
u = sin^2 x and v = cos 2x and differentiate accordingly. Both may be Trigo functions but they are different functions after all so the Product Rule still applies.
u = sin^2 x and v = cos 2x and differentiate accordingly. Both may be Trigo functions but they are different functions after all so the Product Rule still applies.
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