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How do you get the answer after you have an equation?

How do you get the answer after you have an equation?-example-1
User Akhilrajtr
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1 Answer

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The reference angle is : π/9


Explain

Now the given angle is

-8 π/ 9

Now we can see that the angle is negative ( given angle) and it is in the third quadrant then find the reference angle we need to add π to it

Reference angle : - 8 π/ 9

9 π -8 π/ 9

Subtract


π/9
User John Stephen
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