Answer:
3 is correct answer
Step-by-step explanation:

hope it helped you:)
Cos(0)= 1
sin(0)= 0
tan(0)= 0
P.S I don’t have the degree symbol on my phone, sorry.
Answer: Your answer is X=6
Step-by-step explanation:
10/3 = 20/x
Determine the defined range
10/3 20/x, x=0
Cross-multiply
10x = 60
Divide both sides by 10
x=6,x=0
Check if the solution is in the defined range
SOLUTION x=6
<u><em>I HOPE THIS HELPS IF NOT THE SORRY</em></u>
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1) 6/14 divide by 2 = 3/7
2) 9/12 divide by 3 = 3/4
3) 15/25 divide by 5 = 3/5