Answer:
D. variables
Step-by-step explanation:
Answer:
Part A) 
Part B) 
Part C) 
Step-by-step explanation:
see the attached figure to better understand the problem
step 1
Find the length side AB (hypotenuse of the right triangle)
Applying the Pythagorean Theorem

substitute the given values



simplify

step 2
Find sin(A)
we know that
In the right triangle ABC
----> by SOH (opposite side divided by the hypotenuse)
substitute the given values

step 3
Find tan(B)
we know that
----> by TOA (opposite side divided by adjacent side)
substitute the values

step 4
Find sec(A)
we know that

----> by CAH
so

substitute the values

simplify

Answer:
add 5, add 1, subtract 5, add 9, subtract 3.
Step-by-step explanation:
you add, then add again, and then subtract, then add again, and then subtract again.
Answer: 1.21426567 • 10^-6
or 1/823543
Step-by-step explanation:
<u><em>Division and Multiplication.</em></u>
<u><em>Division is to check.SO multiplication is the correct answer.</em></u>