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how to solve these two question? integration
Date Posted: 5 years ago
Views: 719
You cannot integrate two terms like that. As in, you cannot integrate sin 3x and cos x like that. Integrating the product of two things is not the same as integrating each one, then taking their product.
You must use the addition angle formula first.
You must use the addition angle formula first.
And it's not 'dy/dx = integrate...' unless the equation started out a d2y/dx2.
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done
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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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