Analysis and Approaches for IBDP Maths Ebook 1 | Seite 318

Your Practice Set – Analysis and Approaches for IBDP Mathematics
Exercise 35
35.1 0
35.2
� 5�
,
6 6
35.3 � , 2� , 3�
35.4
� 5� � , ,
12 12 4
Exercise 36
36.1 (b)
36.2 (b)
36.3 (b)
36.4 (b)
Exercise 37
�
3
�
6
2�
3
5�
3
37.1 (a)
� x 3 �
3cos � � ��5
�2 4�
(b) 4�
(c) { y: �8 � y� � 2}
37.2 (a)
� 7 �
4sin �4x
� ��3
� 2 �
(b)
�
2
(c) { y: �7 � y�
1}
37.3 (a)
� x � 37
6sin � � �
� 3 � 2
(b) 6
(c)
� 25 49�
�y: � y�
�
� 2 2 �
37.4 (a)
� x �
�12 cos�
��1
�2
�
(b) 12
(c) { y: �13 � y�
11}
Exercise 38
38.1 (a) (i) 5.5 hours
(ii) 1.4 m
(b) (i) 0.7
(ii)
2�
11
(iii) 1.1
(c) 16:15
38.2 (a) (i) 13 hours
(ii) 2.4 m
(b) (i) � 1.2
(ii)
2�
13
(iii) 3
(c) 16:00
38.3 (a) 9:18
(b) (i) � 45
(ii)
�
18
(iii) 46
(c) 10:22
38.4 (a) (i) � 35
(ii)
�
13
(iii) 38
(b) 18.1 m
(c) 14:00
Chapter 11
Exercise 39
39.1 (a)
2�
3
(b) 3� cm
39.2 (a)
�
6
(b)
10 20 10 3 3
39.3 (a) 14 cm
(b)
49�
24 3 � cm 2
2
39.4 (a) 12 cm
(b) 112 �8� 6� cm
310
SE Production Limited