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Trigonometry 2021 ( Trigonometry )

Updated on Jul 27, 2021 03:15 IST

Hyperbolic Function

Hyperbolic functions are similar in mathematics to trigonometric functions or spherical functions. Hyperbolic functions are typically defined by algebraic expressions, including the exponential function (ex) and its inverse exponential functions (e-x), where e is the constant of Euler. 

Definition

The hyperbolic functions are analogs of the trigonometric function or the spherical function. In the solutions of linear differential equations, an approximation of distance and angles in hyperbolic geometry, Laplace's equations in cartesian coordinates, and the hyperbolic function occur. Generally, in the true statement called the hyperbolic angle, the hyperbolic function takes place. The hyperbolic fundamental functions are:

  1. Sine Hyperbolic (sinh)
  2. Cosine Hyperbolic (cosh)
  3. Tangent Hyperbolic (tanh)

The other functions such as hyperbolic cosecant (cosech), hyperbolic secant(sech), and hyperbolic cotangent (coth) functions are derived from these three basic functions. Let us address in detail the simple hyperbolic functions, diagrams, properties, and hyperbolic inverse functions.

Hyperbolic Functions Formulas

  1. Sinhx = ex -e-x/2
  2. Coshx = ex + e-x/2
  3. Tanhx = ex-e-x/ex +e-x

Properties of Hyperbolic Functions

The properties of hyperbolic functions are analogous to the trigonometric functions. Some of them are:

  1. Sinh (-x) = -sinh x
  2. Cosh (-x) = cosh x
  3. Sinh 2x = 2 sinh x cosh x
  4. Cosh 2x = cosh 2x + sinh 2x

The derivatives of hyperbolic functions are:

  1. d/dx sinh (x) = cosh x
  2. d/dx cosh (x) = sinh x

Some relations of hyperbolic function to the trigonometric function are as follows:

  1. Sinh x = – i sin (ix)
  2. Cosh x = cos (ix)
  3. Tanh x = – i tan (ix)

Hyperbolic Functions in Class 11:

In trigonometry, there is a small introduction of hyperbolic function you will get to learn about all the basics of hyperbolic function in it. The weightage of trigonometry in Class 11 is 23 marks.

Hyperbolic Functions in Class 12:

There are some problems in calculus where you will need to have some knowledge about the basics and properties of the hyperbolic function. The weightage of Calculus is 22 marks in the board exam.

Illustrated Examples

1. What is cosech?

The Hyperbolic Cosecant Function. cosech(x) = 1 / sinh(x) = 2 / (ex − e−x

2. What's the distinction between trigonometric and hyperbolic functions?

Hyperbolic functions in mathematics are analogs of ordinary trigonometric functions, except they are defined by the hyperbola rather than the circle. Much as a circle with a unit radius is formed by the points (cos t, sin t), the points (cosh t, sinh t) form the right half of the unit hyperbola.

3. What is Sinh equal to?

sinh(x) = ex − e−x 2.

Frequently Asked Questions

Q: What do hyperbolic functions mean?

A: A property of an angle expressed as a relationship, as hyperbolic sinus or hyperbolic cosine, between the distances from a point on a hyperbola to the origin and the coordinate axes: also expressed as exponential function combinations.

Q: What are Coshx and Sinhx?

A: The hyperbolic functions are very closely related to the trigonometric functions, and the hyperbolic sine and hyperbolic cosine functions are often referred to as sinh x and cosh x.

Q: What are Coshx and Sinhx?

A: The hyperbolic functions are very closely related to the trigonometric functions, and the hyperbolic sine and hyperbolic cosine functions are often referred to as sinh x and cosh x.

Q: What is a hyperbolic example?

A: Beyond what is reasonable, the concept of hyperbolic is something that has been inflated or expanded. A reaction by an individual that is entirely out of proportion to the circumstances that arise is an example of something that can be characterised as hyperbolic.

Q: Are periodic hyperbolic functions?

A: It is not feasible to use the hyperbolic functions to model periodic behaviours, since both cosh v and sinh v would only expand and grow as v increases. Nevertheless, many other natural phenomena are defined by such features. Its form fits y = cosh x's curve.

Q: Is the opposite Sinh sine?

A: No, Sinh is a hyperbolic function of the Sine. The inverse of Sin^-1 is a sine. For seeking angles, you use the opposite.

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