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Inverse secant in radians


Y = asec(X)


Y = asec(X) returns the inverse secant (arcsecant) for each element of X.

The asec function operates element-wise on arrays. The function's domains and ranges include complex values. All angles are in radians.


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Graph of Inverse Secant Function

Graph the inverse secant over the domains $-5 \le x \le -1$ and $1 \le x \le 5$ .

x1 = -5:0.01:-1;
x2 = 1:0.01:5;
plot(x1,asec(x1),x2,asec(x2)), grid on

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Inverse Secant

The inverse secant can be defined as

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