The graph of the function, ƒ, is shown. Find all numbers, x, such that f(x) = 1.
A) ƒ(1) = 1, ƒ(2) = 1
B) ƒ(−1) = 1, ƒ(2) = 1
C) ƒ(1) = 1, ƒ(−2) = 1
D) ƒ(−1) = 1, ƒ(−2) = 1

i cant see the graph

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so far i think you have the right thing going for you just remember soh cah toh

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sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

it's d

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