1. Using the laws of indices, remove the brackets from

2. Transpose the formula for y

3. Convert 18 degrees to radians.

18 pi/180

= pi/10r

= 0.314 radians

4. Simplify

5. Simplify cosAtanA

6. Given that f(x) = x^2+1, write an expression for f(x+2)

Thanks.