Question

Hèÿã !!

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CLASS- X
CH-8
TRIGONOMETRY
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Answer 1

$\red{hello} \: \pink{here \: ur \: ans}$

Answer 2

Hi mate here is ur query

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dividing by cosA in numerator and denominator

we find the expression

(1-tanA)/ (1+tanA) = (1-√3)/(1+√3)

comparing right and left side

we find

tanA=tan60°
tanA=√3

hence angle A=60°

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