A skirt originally cost $28. Alicia pays $21 for the skirt during a scale. What percent does Alicia save with the sale? (helpp )
2 answers:
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Answer:
D> y = (2/5)x - 2
Step-by-step explanation:
See attached
We are to find the value of 
First we evaluate tan(π/4). The value of tan(π/4) is 1.
So,
sin(π/2) = 1
So,
Thus, we can write:
radians.
So, the answer to this question is π/2 radians.
First we evaluate tan(π/4). The value of tan(π/4) is 1.
So,
sin(π/2) = 1
So,
Thus, we can write:
So, the answer to this question is π/2 radians.