Answer: The identity is verified. See the explanation.
Step-by-step explanation:
You must keep on mind the following identities:

Therefore, by substitution, you can rewrite the identity as shown below:

Simpliying, you obtain:

The identity is verified.
The value of ACOR stock rose 4.5% during June. The stock sold for $28 a share at the end of May. How much did the value of ACOR stock increase during June?
Answer:
x= 4 or <
Step-by-step explanation:
I think The answer is 22.5