sec(x)=
The function sec(x) is the reciprocal of the cosine function
The function sec(x) is the reciprocal of the cosine function. It is defined as:
sec(x) = 1 / cos(x)
Where x is the angle in radians.
To find the value of sec(x), you need to know the value of cos(x). Here are some key values of sec(x) depending on the values of cos(x):
1. When cos(x) = 1, sec(x) = 1 / 1 = 1
2. When cos(x) = -1, sec(x) = 1 / -1 = -1
3. When cos(x) = 0, sec(x) is undefined. Division by zero is not defined in mathematics.
4. When cos(x) is between -1 and 1, sec(x) is a positive value. More specifically, sec(x) is positive in the first and fourth quadrants of the unit circle.
To find the value of sec(x) for any given angle x, you can use a calculator, or use the trigonometric relationships in the unit circle.
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