# Quick Answer: What Is Secx?

## Is SEC the inverse of cos?

The secant is the reciprocal of the cosine.

The cotangent is the reciprocal of the tangent..

## What is Cos inverse equal to?

With inverse cosine, we select the angle on the top half of the unit circle. Thus cos-1 (–½) = 120° or cos-1 (–½) = 2π/3. In other words, the range of cos-1 is restricted to [0, 180°] or [0, π]. Note: arccos refers to “arc cosine”, or the radian measure of the arc on a circle corresponding to a given value of cosine.

## Is cot the inverse of tan?

cot(x) = 1/tan(x) , so cotangent is basically the reciprocal of a tangent, or, in other words, the multiplicative inverse. arctan(x) is the angle whose tangent is x.

## What is SEC A and SEC B?

The socioeconomic classification (SEC) groups urban Indian households on the basis of education and occupation of the chief wage earner (CWE: the person who contributes the most to the household expenses) of the household into five segments (SEC A, SEC B, SEC C, SEC D and SEC E households in that order).

## What are the 5 major divisions of the SEC?

Here are the five divisions within the SEC:Division of Corporation Finance. … Division of Trading and Markets. … Division of Investment Management. … Division of Enforcement. … Division of Economic and Risk Analysis.

## Is Arccos the same as SEC?

Secant, cosecant and cotangent, almost always written as sec, cosec and cot are trigonometric functions like sin, cos and tan. Note, sec x is not the same as cos-1x (sometimes written as arccos x).

## What are the Trig identities?

Sine, Cosine and TangentSine Function:sin(θ) = Opposite / HypotenuseCosine Function:cos(θ) = Adjacent / HypotenuseTangent Function:tan(θ) = Opposite / Adjacent

## Is SEC the same as COS 1?

The secant of x is 1 divided by the cosine of x: sec x = 1 cos x , and the cosecant of x is defined to be 1 divided by the sine of x: csc x = 1 sin x .

## Is Arccos the same as inverse cos?

Arccos definition The arccosine of x is defined as the inverse cosine function of x when -1≤x≤1. (Here cos-1 x means the inverse cosine and does not mean cosine to the power of -1).

## Why is Tan Sin Cos?

Sin is equal to the side opposite the angle that you are conducting the functions on over the hypotenuse which is the longest side in the triangle. Cos is adjacent over hypotenuse. And tan is opposite over adjacent, which means tan is sin/cos.

## What is the reciprocal of SEC?

The reciprocal cosine function is secant: sec(theta)=1/cos(theta). The reciprocal sine function is cosecant, csc(theta)=1/sin(theta). The reciprocal tangent function is cotangent, expressed two ways: cot(theta)=1/tan(theta) or cot(theta)=cos(theta)/sin(theta). … Recall the definition of cosine, sine and tangent.

## What is SEC (< A?

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. … Of the six possible trigonometric functions, secant, cotangent, and cosecant, are rarely used.

## What is Secx TANX?

Explanation: Use tanx=sinxcosx. And secx=1cosx. So, secxtanx=1cosx⋅cosxsinx=1sinx=cscx.

## Can Arccos be negative?

The arccosine of a positive number is a first quadrant angle, cos-1(+) is in quadrant I. The arccosine of zero is /2, cos-1(0) is /2. The arccosine of a negative number is a second quadrant angle, cos-1(-) is in quadrant II.

## What is the Antiderivative of TANX Secx?

Since the derivative of sec(x) is sec(x)⋅tan(x) sec ( x ) ⋅ tan ( x ) , the integral of sec(x)⋅tan(x) sec ( x ) ⋅ tan ( x ) is sec(x) . The answer is the antiderivative of the function f(x)=sec(x)⋅tan(x) f ( x ) = sec ( x ) ⋅ tan ( x ) .

## How do you find the exact value of sec?

Explanation:sec=1cos.Let’s first convert to degrees from radians. … 180π×−π3.=−60∘To make this a positive angle, we must subtract 60 from 360, giving us 300∘ . … We use the 30−60−90,1,√3,2 . … adjacent/hypotenuse = −12 (cos is negative in quadrant IV)1/(adjacent/hypotenuse) = hypotenuse/adjacent =−2.More items…•