How to solve tan(52)=X / 18 On casio fx 260 solar?
There is nothing special about the equation. tan(52) is just another number.
Isolate the unknown to get
X=18*tan(52)
I assume that the angle value is in degrees. To set it, press MODE 0 to use the usual computational mode, then set angle unit to degrees by pressing MODE 4.
Once this is done, type in
52 TAN * 18 =
Tan15= 5/x
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