Evaluate \(\int^{\frac{\pi}{2}} _{\frac{-\pi}{2}} cos x d...
Evaluate ∫π2−π2cosxdx
zero
1
2
3
Correct answer is C
∫π2−π2cosxdx=[sinx]π2−π2=sinπ2−sin−π2
= sin90 – sin-90
= sin90 – sin270
= 1 – (-1)
= 1+1
= 2
The area of a parallelogram is 513cm2 and the height is 19cm. Calculate the base....
In the diagram, angle 20o is subtended at the centre of the circle, find the value of x...
In the diagram, PQRS is a parallelogram and ∠QRT = 30o. Find x...
Express in partial fractions 11x+26x2−x−1...
Water flows from a tap into cylindrical container at the rate 5πcm3 per second. If the radiu...
On a pie chart, there are four sectors of which three angles are 45°, 90° and 135&...
If x is positive real number, find the range of values for which 13x + 12x...