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Ex, 4
sin30° x cos18° = ?
deg«3rad
Stpes
Operation
Display
Note
1
2
3
0.5
0.951057
.
0.4755285 .
Memory lamp on
Ans.
30! p] [.£] !u+
18 0 20
30
£x. 5
tan
-1
1
■ y l +22
DEG ®D RAD
Steps
1
2
3
4
5
Operation
Display
Note
4.
5.
2.2360679
0,4472136
24.09485
i
Ans.
Ex. 6
Area of a triangle
DEG ® RAD
a = 6, b = 3,
6
= 60°
Steps
Operation
Display
Note
|
1
6O0@0
0.866025
sin
6
2
603 0
15.58845
•
a-b -sin
d
!
*
3
20
7,794225
i
!
Ans.
y
3'b- sin
Q
i
1
1
Ex. 7
Hyperbolic function, sinhx
(Formula) sink*5* % (e*—e"*)
Steps
Operation
Display
Note
1
2
3
S-sEfflr)
sb aw
3020
1.64872
0.6065311- -
0.5210944
.
ex
memory lamp on
--
r*-7*y)
Ans' .J.(ex_e-*)
IS
13
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