Respuesta :

sin ( theta ) = - √2 / 2
We will use the unit circle:
m ∠( theta ) = 225° = 5π / 4  +  2 k π  , k ∈ Z
m ∠( theta ) = 315° = 7π / 4 + 2 k π,  k ∈ Z
Answer:
The angle measure is 5π/4 or 7π/4. 

Answer:5pi/4, 7pi/4, and 13pi/4

Step-by-step explanation:

Just did this on edge