Which is the correct cofunction identity for tan theta?
1 answer:
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Answer:
see below
Step-by-step explanation:
Perhaps you're stuck because it is too simple. If any value in the x-column is repeated, the relation is <em>not</em> a function.
Of the two relations shown, the first is <em>not</em> a function (x=3 is repeated), and the second one is a function (all the x-values are different).
