Eric Nicholas K's answer to Lim Jing Yu's # Malaysia question.
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Given answer for Q27 is incorrect.
That answer is correct only if the question starts out as dy/dx = cos 5x cos x + sin 5x sin x.
That answer is correct only if the question starts out as dy/dx = cos 5x cos x + sin 5x sin x.
Date Posted:
5 years ago
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