Q: What is the domain of the secant function?

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2PI

An arcsecant is a function which is the compositional inverse of the secant function.

y-axis

Secant is a trignometric function. In a right triangle, the secant of an angle is the hypotenuse over the adjacent side. It is also the inverse of cosine. For example secant(x) = 1/cos(x)

The inverse of the cosine is the secant.

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Asymptotes

The secant function is not defined for odd multipls of 90o.

2PI

An arcsecant is a function which is the compositional inverse of the secant function.

y-axis

Secant is a trignometric function. In a right triangle, the secant of an angle is the hypotenuse over the adjacent side. It is also the inverse of cosine. For example secant(x) = 1/cos(x)

No. The inverse of the secant is called the arc-secant. The relation between the secant and the cosecant is similar to the relation between the sine and the cosine - they are somehow related, but they are not inverse functions. The secant is the reciprocal of the cosine (sec x = 1 / cos x). The cosecant is the reciprocal of the sine (cos x = 1 / sin x).

The inverse of the cosine is the secant.

absolute value of y> 1

The domain of a function is simply the x values of the function

sine, cosine, tangent, cosecant, secant, cotangent.

The answer is cos A . cos A = 1/ (sec A)