Page 224 - Mathematics_Form_Two
P. 224
Chapter name
Chapter Eight 8
(b) =
tanx
15
Exercise 8�1 3
cos30 =
8.
2
4 c
tanM 3 3 9. (a)
FOR ONLINE READING ONLY
1. (a) =
sinC =
b
Mathematics for Secondary Schools cosM = 4 5 sinC (b) = b
a
(c)
cosC
c
sinM =
(b)
tanC
(c) =
5
a
c
8
=
2. (a) =
sinC
17
c
sinC
8 cosC (d) a
tanC tanC = (e) =
(b) =
15 cosC a
15
cosC = 10. 3.42 cm
(c)
17
11. Equal
3. (a) 5= 12. cosα = 0.6614, tanα = 1.134
TR
4
cosR 65 4 65
(b) =
5 13. cosθ = 9 , tanθ = 65
3 14. (a) A and B are complementary
sinR
(c) =
5 angles
1 3 4
tanx (b) sin A = , cosA = ,
4. =
2 5 5
5 4 3
tanx
5. (a) = sin B = , cosB =
2 5 5
3 sin A = cosB and cosA = sin B
sin y
(b) =
5 (c) sin A+cos B 1=
2
2
4 15. 0.566
tanx
6. (a) =
3
3 Exercise 8�2
(b)
cosx =
5 1. (a) 3
8 (b) 2
sinx
7. (a) =
17 (c) 3
218
Student's Book Form Two
11/10/2024 20:15:11
MATHEMATIC F2 v5.indd 218
MATHEMATIC F2 v5.indd 218 11/10/2024 20:15:11
