Page 12 - Trigonometry
P. 12
or
sin( )
=
cos ( )
2
Finally,
sin( )
= tan( )
cos ( )
2
The keystrokes for your fx calculator for performing
this calculation are,
CQ(C)jQ(D))lQ(B))a
kJ(D)a2$)
o
In the diagram on page 7, C = 10.84 cm, D = 70.7 ,
o
B = 32.3 calculate the length X.
r
C? 10.84=
D? 70.7=
B? 32.3=
The length of X is 7.82 cm.
8
