Rich G. answered 07/19/19
Tutor
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Experienced Pre-Calculus/Trigonometry Tutor
You're close, but you need to substitute 6 for tan θ
tan 2θ = 2 tanθ/1-tan2θ
Since tan θ = 6
tan 2θ = 2(6)/ 1 - 62 = -12/35
Dylan J.
oh, no wonder i cant get it07/19/19