How do you find the exact value of #arcsin [sin{(7pi)/6}]#?
1 Answer
Jun 14, 2016
Explanation:
arcsin and sin are opposite (=inverse) functions, just like square and square root.
arcsin says: "give me the angle that belongs to a certain sine"
sin says: "give me the sine of a certain angle"
Together:
"Give me the angle that belongs to the sine of that same angle"
