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