Question: What is sec in math?

What is SEC on a calculator?

Description. Secant function. SEC(x) returns the secant of x. To convert degrees to radians you use the RADIANS function.

What is SEC trig function?

Secant (sec) – Trigonometry function



In a right triangle, the secant of an angle is the length of the hypotenuse divided by the length of the adjacent side. In a formula, it is abbreviated to just ‘sec‘. In fact, most calculators have no button for them, and software function libraries do not include them.

What is Secant formula?

Calculate secant by finding the reciprocal of the cosine of an angle. For the cos A and cos B in Step 3, the reciprocals are 1/cos A and 1/cos B. So sec A = 1/cos A and sec B= 1/cos B. Express secant in terms of the sides of the right triangle by substituting cos A =b/c into the secant equation for A in Step 4.

What does Secant stand for?

Secant is a term in mathematics derived from the Latin secare (“to cut”). It may refer to: a secant line, in geometry. the secant variety, in algebraic geometry. secant (trigonometry) (Latin: secans), the multiplicative inverse (or reciprocal) trigonometric function of the cosine.

Is SEC opposite of Cos?

The secant ( sec ⁡ ) (sec) (sec)



The secant is the reciprocal of the cosine. It is the ratio of the hypotenuse to the side adjacent to a given angle in a right triangle.

Is Tan 1 the same as cot?

Using the tan1x convention may lead to confusion about the difference between arctangent and cotangent. It turns out that arctan and cot are really separate things: cot(x) = 1/tan(x), so cotangent is basically the reciprocal of a tangent, or, in other words, the multiplicative inverse.

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Is sin 1 the same as CSC?

cosecant is the reciprical of the sin function or 1/sin(x) so that csc(x)*sin(x) = 1 when it is defined. The two can be confused since arcsin(x) is often denoted as sin^-1(x) and x^-1 is 1/x. The cosecant is the reciprocal of the sine; the arcsin of x is the angle whose sine is x.

What is the reciprocal of SEC?

There are three reciprocal trigonometric functions, making a total of six including cosine, sine, and tangent. The reciprocal cosine function is secant: sec(theta)=1/cos(theta). The reciprocal sine function is cosecant, csc(theta)=1/sin(theta).

What are the six basic trigonometric functions?

There are six trigonometric ratios, sine, cosine, tangent, cosecant, secant and cotangent. These six trigonometric ratios are abbreviated as sin, cos, tan, csc, sec, cot.

What is trigonometry formula?

Basic Trigonometric Function Formulas



By using a right-angled triangle as a reference, the trigonometric functions or identities are derived: sin θ = Opposite Side/Hypotenuse. cos θ = Adjacent Side/Hypotenuse. tan θ = Opposite Side/Adjacent Side.

What does cot mean in math?

more The short name for cotangent. It is the length of the adjacent side divided by the length of the side opposite the angle in a right-angled triangle. cot(θ) = adjacent / opposite.

What does cot mean in trigonometry?

In a right angled triangle, the cotangent of an angle is: The length of the adjacent side divided by the length of the side opposite the angle. The abbreviation is cot. cot(θ) = adjacent / opposite. It is not commonly used, and is equal to 1/tangent.

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