只限教師參閱 FOR TEACHERS’ USE ONLY
只限教師參閱 FOR TEACHERS’ USE ONLY Solution Marks Remarks PP-DSE-MATH-EP(M2)–4 只限教師參閱 FOR TEACHERS’ USE ONLY Since the maximum value of sin 2θ is 1 , the maximum value of 2 2 1 (1 ) x x + + is 2 . 1A (5) 5. (a) 2 1 1 cos 2 1 1...