Refer to the diagram for Exercises 1-3.
2 answers:
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ANSWER
B.
EXPLANATION
The given expression is
(sin x + 1)(sin x − 1)
Note that:
This implies that,
We can factor -1 on the right hand side to get,
Note that from the Pythagorean Identity
We apply this identity to obtain:
The correct choice is B
$1.98 per 12
1.98*1=12*x
x= 0.165
x=0.17
1.98*1=12*x
x= 0.165
x=0.17