Answer:option D is the correct answer
Step-by-step explanation:
The given triangle is a right angle triangle.
From the given right angle triangle,
The hypotenuse of the right angle triangle is 8
With m∠60 as the reference angle,
The adjacent side of the right angle triangle is 4
The opposite side of the right angle triangle is 4√3
To determine Cos 60, we would apply
the cosine trigonometric ratio.
Cos θ = adjacent side/hypotenuse. Therefore,
Cos 60 = 4/8 = 1/2
To determine Tan 60, we would apply the Tangent trigonometric ratio.
Tan θ = opposite side/adjacent side. Therefore,
Tan 60 = 4√3/4
Tan 60 = √3
Answer:
n = -14
Step-by-step explanation:
-3(n+9)=15
Distribute -3 to (n+9):
-3n - 27 = 15
Add 27 to both sides:
-3n = 42
Divide both sides by -3:
n = -14
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hope it helped! =)
