Answer:
Explanation:
Sin(42) = n/21
n = 21 * sin(42)
n = 21 * 0.6691
n = 14.052
Cos(42) = m / 21
21 * cos(42) = m
m = 21 * 0.7431
m = 15,61
Theta + 42 = 90
Theta = 90 - 42
Theta = 48
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