Lf in - ABC- A-B-C-600- then b-c-b-c-

The correct option is D 1/3 tan ( B C2 ) = b cb+c A/2 tan 30 = b cb+c 30 b cb+c #160; = 13 . ...

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Trigonometric Ratios Using Right Angled Triangle

lf in Δ ABC...

Question

lf in $Δ A B C, A = B - C = 60^{0}$ , then $\frac{b - c}{b + c} =$

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\frac{1}{2}

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\frac{1}{3}

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\frac{1}{4}

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Δ A B C

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