Trigonometry (Chapter 15) 337
6 Find:
a sinμ
b tanμ
c the exact coordinates of P.
7 Find the diameter of this circle.
8
9 Find the angle that:
a BG makes with FG
b AG makes with the base plane EFGH.
10 Two aeroplanes leave from an airport at the same time. Aeroplane A flies on a bearing of 124 oat
a speed of 450 km/h. Aeroplane B flies on a bearing of 214 oat a speed of 380 km/h. Find the
distance and bearing of B from A after 1 hour.
Review set 15B
#endboxedheading
1 Find: i sinμ ii cosÁ iii tanμ for the following triangles:
ab
2 Find the value ofxin the following:
ab
A B
F
H G
D C
E
8cm
4cm
6cm
y
O x
Q. ,.()0 358 ¡0 934
1
1
P
qq 30°
38°
6m
O
A ship sails 40 km on the bearing 056 o. How far is it north of its starting point?
x
y
z
q
f
f
16
(^2012)
q
5m
8m
x x
7.5 cm
9.4 cm
IGCSE01
cyan magenta yellow black
(^05255075950525507595)
100 100
(^05255075950525507595)
100 100
Y:\HAESE\IGCSE01\IG01_15\337IGCSE01_15.CDR Tuesday, 7 October 2008 2:34:08 PM PETER