# How do you use secant in Excel?

## How do you use secant in Excel?

This article describes the formula syntax and usage of the SEC function in Microsoft Excel….Example.

Formula Description Result
=SEC(45) Returns the secant of a 45 degree angle. 1.90359
=SEC(30) Returns the secant of a 30 degree angle. 6.48292

What is the formula of secant method?

x= x1 – [(x0 – x1)/ (f(x0) – f(x1)]f(x1) .

What is Secant function?

Secant Definition The secant function is a periodic function in trigonometry. The secant function or sec function can be defined as the ratio of the length of the hypotenuse to that of the length of the base in a right-angled triangle.

### How do you enter trig functions in Excel?

Click the “Formulas” tab and click “Math & Trig” button in the Function Library group. Scroll down and select “RADIANS” in the list of functions. Type “A2” in the Angle box and click “OK.” Click to highlight cell B2 and drag the fill handle down to cell B20.

Does secant method always converge?

The secant method always converges to a root of f ( x ) = 0 provided that is continuous on and f ( a ) f ( b ) < 0 .

What is domain of secant?

The graph of the secant function looks like this: The domain of the function y=sec(x)=1cos(x) is again all real numbers except the values where cos(x) is equal to 0 , that is, the values π2+πn for all integers n . The range of the function is y≤−1 or y≥1 .

#### What is the secant formula?

Secant Formula is one of the six trigonometric functions formulae. It is the ratio of the hypotenuse to the adjacent side and is denoted by Sec x.

What is secant equal to?

What is sec in math equal to? In a right angled triangle, the secant of an angle is: The length of the hypotenuse divided by the length of the adjacent side. The abbreviation is sec. sec(θ) ‘=’ hypotenuse / adjacent. It is not commonly used, and is equal to 1/cosine. What value is secant?

How to remember CSC SEC cot?

csc(θ) = 1/sin(θ) sec(θ) = 1/cos(θ) cot(θ) = 1/tan(θ) And we also have: cot(θ) = cos(θ)/sin(θ) Accordingly, the question is what is the trick for remembering trig functions? SOH-CAH-TOA Sine = Opposite ÷ Hypotenuse. Cosine = Adjacent ÷ Hypotenuse. Tangent = Opposite ÷ Adjacent. One way to remember the letters is to sound them out phonetically (i.e. /ˌsoʊkəˈtoʊ.

## How to find cosecant of an angle?

\\begin {align*}\\sec\nderline {\\;\\;\\;\\;\\;\\;\\;} =\\csc A\\end {align*} and\\begin {align*}\\csc\nderline {\\;\\;\\;\\;\\;\\;\\;} =\\sec A\\end {align*}.

• \\begin {align*}\\cot A\\end {align*} and\\begin {align*}\\cot C\\end {align*} are_________of each other.
• Explain why the csc of an angle will always be greater than 1.