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What does tan²x = tan²α imply for x?
Ax = nπ + α, n ∈ Z
Bx = 2nπ ± α, n ∈ Z
Cx = nπ ± α, n ∈ Z
Dx = nπ + (−1)^n α, n ∈ Z
Answer & Solution
Correct answer: C. x = nπ ± α, n ∈ Z
tan²x = tan²α gives tan x = ± tan α, which merge into x = nπ ± α.
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