1. The problem statement, all variables and given/known data (i) Express 3cosx+3sinx in the form Rcos(x-a) where R>0 and 0<a<(1/2)∏ (ii) The expression T(x) is definded by T(x)=8/(3cosx+3sinx) (a) Determine a value of x for which T(x) is not defined (b) Find the smallest positive value of x satisfying T(3x)=(8/9)√6 giving your answer in exact form. 3. The attempt at a solution for (i) 3√2cos(x-(1/4)∏) (a) 8/(3√2cos(x-(1/4)∏)). Could someone explain how to do (a) and (b) please in terms I can understand easy. Thanks.