Prime DSE Series - Mathematics Mock Exam Papers (Compulsory)(Sixth Edition) Set 2 Paper 1&2

14 HKDSE-MATH-CP (Set 2 P2) © United Prime Educational Publishing (HK) Ltd. 37. For ° ° x 360 180 # # , how many roots does the equation cos cos x x 0 3 3 2 - = have? A. 1 B. 2 C. 3 D. 4 38. In the figure, ABCDEFGH is a cube. Let i be the angle between ABF 3 and BCF 3 while z be the angle between BFH 3 and BGH 3 . Which of the following is true? A. 60° 1 1 i z B. 60° 1 1 z i C. 60° 1 1 z i D. 60° 1 1 z i 39. In the figure, AB and BC are the tangents to the circle at the points A and D respectively. E is a point lying on AB . AD and CE intersect at the point F . If ° AEC 50 + = and AFC 120° + = , then BCE + = A. 10°. B. 12°. C. 15°. D. 20°. B A C E D F G H E B F C A D Sample © United Prime Educational Publishing (HK) Limited 2025 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of the Publisher.