How do you enter the law of sine into a calculator

You can type in sine into a calculator using sin(   ) and the inverse sin press Shift(or 2nd) sin(  ) and you should get something that says sin^-1.

1.the viceroy population remained fairly steady over the 3 years recorded.2.the average number of zebra swallowtails over all three samples will be less than the number  recorded in year 13.there was a mistake in the sample for year three as the painted ladies were extinct in year 2