Subtract. Simplify your answer and write it as a mixed number. 9 3/7 - 5 2/21
1 answer:
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Answer:
or in radians:
Step-by-step explanation:
From the way you wrote, you want to solve the equation
for
, or in radians
<u>Square both sides</u>
In the Unit Circle, considering one revolution (interval ),
the values where are in Quadrant II and III.
Once
The values where
are 120º and 240º.