SOLUTION: If tanθ=1/2, what is the exact value of tan20? One of the following is the correct answer. Which one? A) 1/4 B) 1/2 C) 2/3 D) 1 E) 4/3

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Question 1198623: If tanθ=1/2, what is the exact value of tan20?
One of the following is the correct answer. Which one?
A) 1/4
B) 1/2
C) 2/3
D) 1
E) 4/3

Answer by math_tutor2020(3817)   (Show Source): You can put this solution on YOUR website!

is given

is one of the many identities that should be given to you on a reference sheet.

So,










Answer: Choice E) 4/3

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