RRB Group D 10-Oct-2018 Shift 3 Solved Paper

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Question : 81 of 100

Marks: +1, -0

If in a triangle ∠B = 90° and ∠A = 60° then Sin²A - Cos²A + Tan²A = ?

$\;{7}/{2}$
$\;{2}/{5}$
$\;{2}/{3}$
$\;{6}/{5}$

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