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This is my question: answer this and write step by step verification I will mark the one briliant |
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Answer» Function DOMAIN Rangef(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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