Respuesta :

Answer:

135 degrees.

Step-by-step explanation:

Tan theta =   √/2 /2  /  -√/2 /2 = -1

Arctan 1 = 45 degrees.

As the x coordinate is negative and the y coordinate is positive:

Theta will be in the 2nd quadrant.

So its  180 - 45

= 135 degrees.

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