Trigonometry -LRB- mathematics -RRB- : What 's the difference between -LSB- math -RSB- cosec -LRB- x -RRB- -LSB- / math -RSB- and -LSB- math -RSB- \ sin ^ -LCB- -1 -RCB- x \ , -LRB- arcsinx -RRB- -LSB- / math -RSB- ?
How can I solve -LSB- math -RSB- \ sin ^ 2 -LRB- x -RRB- -1 = 0 -LSB- / math -RSB- ?