Answer:
The unknown number is 34.
Step-by-step explanation:
x+5=39
x=39-5
x=34
Woah. thats pretty tough for a middle schooler! (im in the middle school part)
Answer:

Step-by-step explanation:
csc(Ф) is equivalent to the inverse of sin(Ф)
Since sin(Ф) = 3/7, the inverse of this would be 7/3
So, 
Answer:
C , D , B
Step-by-step explanation:
Trigonometry is given by three formulas :
SOH - CAH - TOA
- Sin x = Opp/Hyp
So Sine must be Option D - Cos x = Adj/Hyp
So Cosine must be Option C - Tan x = Opp/Adj
So tangent must be Option B
Hope this helped and have a good day
Answer:
Step-by-step explanation:
Mabye later