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Put the angular mode at "D E G " .
Calculate:
Sin 30° + Cos 40°
Key in the following:
30 [sin] [ + ] 40 [cos] f= ]
Answer:
1.266044443
Calculate:
Cos0.257r
Put the angular mode at "R A D ".
Key in:
.25 [X ]
®
[ = ] S
Answer:
0.707106781
4. inverse Trigonometric Functions
Calculate:
Sin-1 0.5
Put the angular mode at "D E G ".
Key in:
.5
|Sd§
[sin^
Answer:
30
Calculate:
Cos-1 —1
Put the angular mode at "R A D ".
/T o enter a negative number, press the 0
a
)
Key in:
1 (jA) §*§
\k e y after numerals.
Answer:
3.141592654 (Value of
i t
)
5.
Hyperbolic and inverse Hyperbolic Functions
When using the hyperbolic and arc hyperbolic functions "H Y P " w ill appear in the lower
part o f the display.
Calculate:
Sinh 4
Key in:
4 (hyp) (sin)
Calculate:
Answer: 27.2899172
S in h "1 9
Key in:
9 (2rSj [« fch yp | fifa]
Answer: 2.893443986
Power Functions
Calculate:
202
Key in:
20 @£)
Answer:
400
Calculate:
33 and 34
Key in:
3 ®
3 [= )
Key in:
Answer;
27
Answer
24
25
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