SOLUTION: Someone please help me with this. Find the reference number of each value of t 1- t= 8pi/9 2- t= 10pi/9 3- t= 11pi/3 4- t= -5pi/4

Question 960440: Someone please help me with this.
Find the reference number of each value of t
1- t= 8pi/9
2- t= 10pi/9
3- t= 11pi/3
4- t= -5pi/4
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Someone please help me with this.
Find the reference number of each value of t
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Comment::
The given angle has a terminal side.
That side makes an acute angle with the closest
portion of the x-axis.
That acute angle is the reference angle.
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1- t= 8pi/9
That angle is (1/9)pi above the negative x-axis
Ans: (1/9)pi
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2- t= 10pi/9
That angle is (1 1/9)pi; it is (1/9)pi below the negative x-axis
Ans: (1/9)pi
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3- t= 11pi/3
That angle is (3 2/3)pi; it is (1/3)pi below the positive x-axis.
Ans: (1/3)pi
--------------------------
4- t= -5pi/4
That angle is (-1 1/4)pi; it is (1/4)pi above the negative x-axis.
Ans: (1/4)pi
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Cheers,
Stan H.
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