Danny = 3 Emilly
danny = 3×7
danny = 21 DVD's
I am not to sure but I would go for B. identity.
Answer: A.
The inverse sine function is written as sin−1(x) or arcsin(x). Inverse functions swap x- and y-values, so the range of inverse sine is − π/2 to π/2 and the domain is −1 to 1. When evaluating problems, use identities or start from the inside function.
(REFER TO CHART BELOW)
Step-by-step explanation:
the answer is in the above image