Trigonometry Calculator Form

// trigonometry lesson #3

this blog will teach you how to do SOH CAH TOA in your calculator. through this, you will find the degree, minute and seconds of a triangle. 

this is the calculator we use during math class (recommended: fx82au PLUS)

In trigonometry, angles are usually measured in degrees, minutes and seconds. The key relationships are:

1 degree = 60 minutes

1 = 60'

and

1 minute = 60 seconds

1' = 60''

This is what the degrees, minutes and seconds key on the calculator looks like.
we like to call it: [bubbles]

To find the nearest degree:

Example:

46 (degrees) 45' = 46.75 (decimal)

Solution

Enter 46 (degrees) 45' into calculator

46 [bubbles] 45' [bubbles] = Press [bubbles] = 46.75 (degrees)

To find the nearest minute:

Example:

75 (degrees) 30' 18'' = 75 (degrees) 30'

Solution

if the seconds is 30 or above, the nearest minute would be add one minute.

18 is not 30 or higher, therefore the 30 minute would remain. 

hoping that you now got the technique of finiding the nearest degree and minute on calculator. see you in our next post!!

judy, hannah & paul