Answer:
Option b.
Step-by-step explanation:
we have

Evaluate

therefore
He did not apply the power to the denominator of 3/5
Answer:
c. Cos 52 = 17/c
Step-by-step explanation:
sin(x) = cos(90-x)
Answer:
1. y=5 x=8
2. x=9 y=5
3. x=12 z=4
Step-by-step explanation:
1. 4(5)+5(8)=60
2. 5(9)+3(5)=60
3. 4(12)+3(4)=60
Answer:
I don't how to do this but check Quizlet♂️