Please help very appreciated
2 answers:
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Since the measure of angle is
The measure of its reference angle =
=
Now we have to compute the value of
The value of () lies in the fourth quadrant. In fourth quadrant, the value of tan is always negative.
So,
= -1.
We are technically FOILing this out... with a power of 3.
(x+y)(x+y)(x+y)
So we can first factor out the first two "x+y"s.
, multiplied by the last "x+y".
Coefficients are the number that comes in front of a variable.
In this case, 1 comes in front of
, 3 comes in front of 
, 3 comes in front of 
, and 1 comes in front of 
.
Thus: 1, 3, 3, 1.
Answer Choice A
(x+y)(x+y)(x+y)
So we can first factor out the first two "x+y"s.
Coefficients are the number that comes in front of a variable.
In this case, 1 comes in front of
Thus: 1, 3, 3, 1.
Answer Choice A