SOLUTION: what is the reference angle for −7π/4 ?
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Question 1035229: what is the reference angle for −7π/4 ?
Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what is the reference angle for −7π/4
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Question to answer:: How close is the x-axis??
Answer:: pi/4
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Therefore the reference angle is pi/4
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Cheers,
Stan H.
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Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Rotate the unit vector in the CW direction
from the zero reference ( due to the minus sign )
is visualized as 45 degrees, so
degrees
That is 45 degrees short of returning to the
zero reference ( turning CW ).
So, the reference angle would be
in the 1st quadrant
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