If sec θ + tan θ = a, then \frac{\a^2-1}{\a^ +1} is equal to

RRB Assistant Loco Pilot and Technician Model Paper 8 with solutions

Question : 17 of 75

Marks: +1, -0

If sec θ + tan θ = a, then

{\a^2-1}/{\a^ +1}

is equal to

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