Integrate sinxcosx dx

Since the question is a trigonometry question, we shall use integration by recognisation, in which case, we found out that the derivative of sin x is cos x.Therefore by chain rule, we can integrate the function into asin^2 X. To find out A we look at the power of sin x and divide 1 with it since sinxcosx is 1sinxcosxThus the answer is sin^2 x/2

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Integrate y=x^2 between the limits x=3 and x=1


SOLVE THE FOLLOWING SIMULTANEOUS EQUATIONS: 5x^2 + 3x - 3y = 4, -4x - 6y + 5x^2 = -7


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Core 3 Differentiation: If y = (3x^2 + 2x + 5)^10, find its derivative, dy/dx. Hint: Use the chain rule.


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