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:
Answer is 100 sq m
Step-by-step explanation:
A = 
A = 
A = 100 sq m
HOPE IT HELPS
<u><em>(FROM CROSS)</em></u>
You take 8% of 59.99 which is 4.80
then you add 4.80 to get 64.79.
207$ - 15$ = 192$
192$ : 8 = 24$
Answer: Each book costed 24$.