Topic Details (Notes format)

How to Use Basic Identities for Hyperbolic Functions (sinh, cosh, tanh)

Subject: Mathematics

Book: Maths Mastery

Hyperbolic functions share structural similarities with trigonometric functions but revolve around exponential definitions: sinh(x)=(e^x–e^(–x))/2, cosh(x)=(e^x+e^(–x))/2. Identities like cosh²(x)–sinh²(x)=1 hold. Tanh(x)=sinh(x)/cosh(x). These appear in advanced physics (relativity), engineering (structural forms), or math (hyperbolas). For instance, in a suspended cable (catenary shape), y=a cosh(x/a). Recognizing hyperbolic identity parallels fosters easy transitions between trig and hyperbolic problem-solving and deeper expansions in calculus or geometric modeling.

Practice Questions

A cone has a base radius of 7 cm and height of 24 cm. What is its volume?

View Question

If the sum of the angles of a polygon is 1080°, how many sides does the polygon have?

View Question

If a = 2 and b = 3, what is the value of (a^2 + b^2)?

View Question

The probability of rolling a sum of 7 with two dice is:

View Question

What is the probability of drawing an ace from a standard deck of 52 cards?

View Question

The sides of a triangle are 5 cm, 12 cm, and 13 cm. What type of triangle is it?

View Question

If x = 2 and y = 3, what is the value of (x^2 + y^2)?

View Question

If the ratio of two numbers is 3:5 and their HCF is 4, what are the numbers?

View Question

The simple interest on Rs. 4000 at 5% per annum for 2 years is:

View Question

A sphere has a radius of 7 cm. What is its volume?

View Question