(36+90)+C=180
126+C=180
C=180-126
=54
Answer=54
Answer:
d. 
Step-by-step explanation:
The given trigonometric equation is;

Recall that;



The cosine function is negative in the second and third quadrant.


Answer:
C
Step-by-step explanation:
242-130
Answer:
w < -5
Step-by-step explanation: