How do you use a calculator to evaluate #sin^-1 (-0.4)# in both radians and degree?
1 Answer
Nov 29, 2016
The order in which the keys are to be pressed is as follows.
Assuming that the calculator is in the degree mode, press
[SHIFT]
[SIN]
[
[.]
[4]
[=]
Answer in degrees is displayed at the top as
[113.5781785]
To convert to radian units, continue as follows
[
[1]
8]
[0]
[X]
[SHIFT]
[EXP]
[=]
Answer in radian units is displayed in the top as
[1.982313173]
Note that [SHIFT] [EXP] gets the value of
In some calculators, this is directly available through [SHIFT] [
