Answer:
Final answer is approx 6.644 years.
Step-by-step explanation:
Remember that cos is just a translation of sin and vice versa.
So:
Sin(x) = Cos(90 - x)
Cos(x) = Sin(90 - x)
Therefore, to answer your question:
Cos(19) = Sin(90 - 19)
= Sin(71)
Answer:
the answer is A and D
Step-by-step explanation: