Y= arcsin(x) is equivalent to sin(y) = x
we know that -1≤x+1, hence the range of y is: -π/2≤y≤+π/2
bearing in mind that 9 months is not even a year, but since there are 12 months in a year, then 9 months is really 9/12 years.


NO = ON: reflexive property
MN= PO; MO = PN; NO = ON; SSS
i believe the answer is the last one
Reflexive property SSS