Answer:
144 169 225
Step-by-step explanation:
12² = 144
13² = 169
15² = 225
Sin(12) ≈ 0.208
cos(x) = 0.208
cos(x) = sin(12)
cos(78) = sin(12)
cos(12) ≈ 0.978
cos(68) ≈ 0.375
cos(102) ≈ -0.208
cos(78) ≈ 0.208
The answer is D.
Answer:
tenths.........
Step-by-step explanation:
.....is the answer