Given that a line passes through the point , and that the line is perpendicular to the line Determine the equation of the line
If sin(20-30)-cos(30-40) then the value of is 0
In a class of 40 boys, 18 passed Business Mathematics, 19 passed Accounts, 10 passed Economics, 6 passed Accounts only, 5 passed Business Mathematics and Accounts only, 2 Passed Accounts and Economics only. How many passed in all three papers.