Jambmaths question: Determine the value of $\int\limits_{0}^{\tfrac{\pi }{2}}{(-2\cos x)dx}$ Option A: -3 Option B: -2 Option C: $-\frac{3}{2}$ Option D: $-\frac{1}{2}$ Jamb Maths Topic: IntegrationYear of Exam: Jamb Maths 2007