Trigonometrical Functions
Matching exercise
Match the items on the right to the items on the left.
sin x = 0
cos x = 0
sin x = sin y
cos x = cos y
tan x = tan y
x = nπ, where n ∈ Z.
x = (2n + 1)π/2 , where n ∈ Z
x = nπ + (– 1)ⁿ y, where n ∈ Z.
x = 2nπ ± y, where n ∈ Z.
x = nπ + y, where n ∈ Z.