Me with these two questions i’m stuck.

1)

Meaning 2sin(x)cos(x) = 2 * 12/13 * 5 / 13 = 120/169.

2cos^2(x) - 1 = (2 * 25/169) - 1 = (50 - 169)/169 = -119/169 =>

(2sin(x)cos(x))/(2cos^2(x) -1) = [120/169]/[-119/169] = -120/119

2)

tan(x/2) = 3

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1.true 2.false? ? i think. .

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