Answer:
A ). 12
Step-by-step explanation:
Answer:
I.4
ii.13
Step-by-step explanation:
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Answer:

Step-by-step explanation:
For any angle
, we have that:

Quadrant:
means that
is in the first quadrant. This means that both the sine and the cosine have positive values.
Find the cosine:







Since the angle is in the first quadrant, the cosine is positive.

58
Between 60 and 55, 5+8=13