A MATHS - F9

fcuk la.. careless AGAIN. stupid trigos.. fcuk la. nv see tt minus sign plus how can root 3 / 2 become root 2 / 3???.. fcuk again! nv think of solving tt trigo with tt fucking thing.. minus 8 marks. FCUK. why cant they use the word simplify instead of evaluate? FCUK minus another 1-2 marks.. then minus another say 2 marks for other careless... 68/80.. FAILED..