# Question: What Are The Correct Trigonometric Ratios?

## Do trig ratios only work for right triangles?

Explanation: Although most often trigonometric functions are used with right triangles there are some situations when they can be used for any type of triangle.

If you have two sides given and an angle between them you can use the trigonometric functions the Law of Cosines to calculate the third side..

## What is sine formula?

= 0.500. The sine function, along with cosine and tangent, is one of the three most common trigonometric functions. In any right triangle, the sine of an angle x is the length of the opposite side (O) divided by the length of the hypotenuse (H). In a formula, it is written as ‘sin’ without the ‘e’:

## What are the 6 trig ratios?

These six trigonometric ratios are abbreviated as sin, cos, tan, csc, sec, cot. These are referred to as ratios since they can be expressed in terms of the sides of a right-angled triangle for a specific angle θ.

## What are the basics of trigonometry?

Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc).

## What is meant by trigonometric ratios?

It is defined as the values of all the trigonometric function based on the value of the ratio of sides in a right-angled triangle. The ratios of sides of a right-angled triangle with respect to any of its acute angles are known as the trigonometric ratios of that particular angle.

## What is SOH CAH TOA?

“SOHCAHTOA” is a helpful mnemonic for remembering the definitions of the trigonometric functions sine, cosine, and tangent i.e., sine equals opposite over hypotenuse, cosine equals adjacent over hypotenuse, and tangent equals opposite over adjacent, (1) (2) (3) Other mnemonics include.

## What are the 3 trigonometric functions?

The most widely used trigonometric functions are the sine, the cosine, and the tangent.

## What are the six basic trigonometric functions?

The trigonometric functions include the following 6 functions: sine, cosine, tangent, cotangent, secant, and cosecant.

## How do you introduce trigonometry?

Introducing TrigonometryMeasure the lengths of the sides of sets of similar right angled triangles and find the ratio of sides.Investigate the relationship between these ratios and the angle size.Use calculators or tables to find the sine, cosine and tangent of angles.More items…

## What is a Cotangent ratio?

The cotangent is the reciprocal of the tangent. It is the ratio of the adjacent side to the opposite side in a right triangle.

## What are the 3 basic trigonometric ratios?

The three main functions in trigonometry are Sine, Cosine and Tangent.

## What are the primary trigonometric ratios?

There are three basic trigonometric ratios: sine , cosine , and tangent .

## What is CSC of an angle?

In a right angled triangle, the cosecant of an angle is: The length of the hypotenuse divided by the length of the side opposite the angle. The abbreviation is csc. csc θ = hypotenuse / opposite. It is not commonly used, and is equal to 1/sine.
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