SSC CGL 6 Mar 2020 Shift 3 Paper

Question : 51 of 100

Marks: +1, -0

The value of 4

[\;{\;(1−secA)\;^{2}\:\;+\;\:\;(1\:\;+\;\:secA)\;^{2}}/{1\:\;+\;\:sec^{2}A}]

is:

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