Excel SEC Function

Description
The Excel SEC function returns the secant of an angle provided in radians.
Formula syntax
Arguments
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Returns
The SEC function returns the secant of an angle provided in radians.
Errors
- 1. If argument number is outside the its scale (absolute value less than 2^27), the SEC function return #NUM! error value.
- 2. If argument number is non-numeric, the SEC function returns #VALUE! error value.
- 3. If argument number is zero, the SEC function returns #DIV/0! error value.
Remarks
The argument number in SEC is an angle in radians, if the number is provided in degrees, you need to convert it to radians. There are two methods on converting degrees to radians. Method 1, multiply the angle in degrees by PI()/180. Method 2, used RADIANS function to convert degrees to radians. For example, to get the SEC of 30 degrees, you can use one of formulas below:
- =SEC(30*PI()/180)
- =SEC(RADIANS(30))
Versions
Excel 2013 and later versions.
Usage and Examples
To get the secant of the angel provided in radians in cell B3, please use formula as this:
=SEC(B3)
Press Enter key to get the secant of the angle..
Also you can directly use the number in the formula:
=SEC(1)
Other Functions:
Excel CSC Function
The Excel CSC function returns the cosecant of an angle provided in radians.
Excel CSCH Function
The Excel CSCH function returns the hyperbolic cosecant of an angle provided in radians.
Excel Excel ISO.CEILING Function Function
The Excel ISO.CEILING function rounds up the nearest integer or the nearest multiple of significance based on the given number. .
Excel LOOKUP Function
LOOKUP function finds certain value in a one column or one row range, and return the corresponding value from another (one row or one column) range.
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