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if you don't have a Unit Circle, this is a good time to get one, you'd need it, you can find many online.

Check the picture below.

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The value of tan 225 degrees using the unit circles is 1

Given the trigonometry function tan 225 degrees, this can also be written as;

tan 225 = tan(180 + 45)

This shows that the tangent function falls in the third quadrant. In the third quadrant;

[tex]tan (180 + \theta) = tan \theta[/tex]

The expression above then becomes

[tex]tan (180 + 45) = tan 45 = 1\\[/tex]

Hence the value of tan 225 degrees using the unit circles is 1

Learn more here: https://brainly.com/question/17369918