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35
Mastering the Calculator using the Sharp EL-531LH
Your display should now read 3.3019272
Note: You could use the 'ln' key instead of the 'log' key – the answer would still be the same.
Try it!
13. Degrees, minutes, seconds
The key involved is
This key can be used for problems involving degrees, minutes and seconds or hours, minutes
and seconds.
Example 1
Suppose that you have a trigonometric problem where the angle involved is given in degrees
×
and minutes. e.g. Find x where
x
=
4 sin 25° 36
'
The keystrokes involved are:
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