2. If sin

find the exact value of Sin 2x. (Hint: Use Sin 2x = 2 Sin x Cos x] )

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k