Determine the value of ∫π20 ∫ 0 π 2 (-2 cos..

Question 1 Report

Determine the value of $\int_{0}^{\frac{π}{2}}$ (-2 cosx)dx

\frac{3}{2}

\frac{1}{2}

-2

-3

Answer Details

Determine the value of $\int_{0}^{\frac{π}{2}}$ (-2 cosx)dx
$\int_{0}^{\frac{π}{2}}$ (-2 cosx)dx = -2 sin x $\int_{0}^{\frac{π}{2}}$
= 2(sin 0 - sin $\frac{π}{2}$ )
= 2(0 - 1)
= -2

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Determine the value of ∫π20 ∫ 0 π 2 (-2 cosx)dx