Function | Domain | Properties |
Sine | all real numbers | continuous on the interval (−∞,∞) |
Cosine | all real numbers | continuous on the interval (−∞,∞) |
Tangent | {x|x≠odd integer multiples ofπ2} | continuous at all real numbers except odd multiples of π2} |
Cosecant | {x|x≠ integer multiples of π} | continuous at all real numbers except multiples of π |
Secant | {x|x≠ odd integer multiples ofπ2} | continuous at all real numbers except odd multiples of π2 |
Cotangent | { x|x≠ integer multiples of π} | continuous at all real numbers except multiples of π |
Inverse sine | −1≤x≤1 | continuous on the closed interval [−1,1] |
Inverse cosine | −1≤x≤1 | continuous on the closed interval [−1,1] |
Inverse tangent | all real numbers | continuous on the interval (−∞,∞) |
Inverse cosecant | |x|≥1 | continuous on the set (−∞,−1] ∪ [1,∞) |
Inverse secant | |x|≥1 | continuous on the set (−∞,−1] ∪ [1,∞) |
Inverse cotangent | all real numbers | continuous on the interval (−∞,∞) |