To convert from radians to degrees multiply by 180 / π, So:-
3 π / 5 = 180 * 3 * π / 5π
= 540 / 5
= 108 degrees answer
-3
25
180
-1
SOS HELP MAYDAY MADAY WER3E GOING DOWN BRUDDAS WE DONT KNOW DA WAE
Let y = x^2 - 1
x^2 = y + 1
x = sqrt(y + 1)
so f^-1(x) = sqrt (x + 1) (answer)
1/2 & 3/10 .. in simplest form
