Answer:
im notm sure sorry
Step-by-step explanation:
Answer
D or the fourth one because i took the quiz and got it right
Answer:
cos(71)
Step-by-step explanation:
Since 19° is less than 90, we can express this in terms of confunction.
sin(θ) = cos(90-θ)
sin(19) = cos(90-19)
sin(19) = cos(71)