Answer:
180°
Step-by-step explanation:
cos(x) = - 1 has only 1 solution in the required interval , that is
x =
(- 1) = 180°
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Answer:
77.7
Step-by-step explanation:
First all the angles add up to 360°. You would subtract 180 from the 360 because of the 2 right angles. That leaves you with 180. Then 180-102.3 to get 77.7°, your answer.
Answer:
-7
Step-by-step explanation:
7-3=4