The sum of the digits of a two-digit nunber is 7. When you reverse the digits of the original number the new number is 27 more t
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Answer:
A.
Step-by-step explanation:
We have the expression
As these two values are being multiplied, we can separate the two and the sum of them will be equal to the multiplied version
The can be rewritten as
. This allows us to use the exponent rule. This means that it can be written as
LHS: = 
(using 
)
We know
so we can replace the sin²x in the LHS expression as follows
which is the RHS.
We know