5: This general power needs to be transformed into its canonical form first:
Conditions sin(x) > 0, x ≠ 0 give the domain
Now it is time to find limits at 2kπ from the right and at (2k + 1)π from the left.
Hint on limit at 2kπ from the right Hint on limit at (2k + 1)π from the left Answer