SOLUTION: on a grid draw all possible principal angles in standard position,
tanA=1/2
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Question 180069: on a grid draw all possible principal angles in standard position,
tanA=1/2
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
on a grid draw all possible principal angles in standard position,
tanA=1/2
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The tangent is positive in the 1st and 3rd quadrants.
The tangent always = y/x
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In the 1st quadrant plot the point (2,1)
Draw a line segment from the origin to (2,1)
That is the terminal side you want.
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In the 3rd quadrant plot the point (-2,-1)
Draw a line segment from the origin to (-2,-1)
that is the terminal side you want.
-----------------------------------------
A = 26.57 degrees
or
A = 26.57 + 180 = 206.57 degrees
==================================
Cheers,
Stan H.
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