ECAT Maths XI : Chapter 12 GRAPH OF TRIGONOMETRY FUNCTIONS (test 1) Leave a Comment / By Afshan JAMAL / July 2, 2026 Welcome to your ECAT Maths XI : Chapter 12 GRAPH OF TRIGONOMETRY FUNCTIONS (test 1) The function f(x) = √3 cos x + sin x has an amplitude of: √3 √3 + 1 2 2√3 None The maximum value of cos² θ − sin² θ is: 1 2 3 0 None Previous Start Quiz Next Time's up
