If A completed the work in 4 days and B completed the same work in 5 days. How many days will they take on working together? Answer: Let total work is (lcm of 4 and 5) = 20 A's work in 1...
For a right angled triangle, with one angle θ (which is not the right angle), the trigonometric ratios are defined as follows: sin θ = Perpendicular / Hypotenuse (corresponding to the angle...