Question

this is my question: answer this and write step by step verification I will mark the one briliant

Answer 1

Answer:

Function Domain Range

f(x) = sin ( x ) (-∞ , + ∞) [-1 , 1]

f(x) = cos ( x ) (-∞ , + ∞) [-1 , 1]

f(x) = tan ( x ) All real numbers except π/2 + n*π (-in , + ∞)

f(x) = sec ( x ) All real numbers except π/2 + n*π (-∞ , -1] U [1 , + ∞)

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