Respuesta :
Answer:
Those are functions on a calculator. Mostly used for Trigonometry.
Step-by-step explanation:
Answer:The tangent of x is defined to be its sine divided by its cosine: ... The cotangent of x is defined to be the cosine of x divided by the sine of x: cot x = cos x sin x . The secant of x is 1 divided by the cosine of x: sec x = 1 cos x , and the cosecant of x is defined to be 1 divided by the sine of x: csc x = 1 sin x .
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