1.

If cot x -tan x=sec x, then, x is equal to(a) 2 nπ+3π2, n ∈ Z(b) nπ+ -1nπ6, n ∈ Z(c) nπ+π2, n ∈ Z(d) none of these.

Answer» If cot x -tan x=sec x, then, x is equal to

(a) 2 nπ+3π2, n Z



(b) nπ+ -1nπ6, n Z



(c) nπ+π2, n Z



(d) none of these.


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