exam Maths Puzzle Numerical Ability

Evaluate 15r/8 for r= 18 and S=9

Read Solution (Total 0)

exam Other Question

is there more than one way to solve inequalities, perhaps a shortcut?
can you show me using an example? I have theta = x.
How do I find the exact value of sin2x when x is an acute angle with cosx = 3/5.