Verify the hyperbolic identites

  • Thread starter Thread starter CalcStudent
  • Start date Start date
  • Tags Tags
    Hyperbolic
Click For Summary
SUMMARY

The discussion focuses on verifying hyperbolic identities, specifically tanh²(x) + sech²(x) = 1 and sinh(x+y) = sinh(x)cosh(y) + cosh(x)sinh(y). Key equations referenced include cosh(2x) - sinh(2x) = 1 and sech²(x) + tanh²(x) = 1. Participants emphasize the importance of showing work in the verification process, indicating that the identities are derived from established hyperbolic equations.

PREREQUISITES
  • Understanding of hyperbolic functions, including sinh, cosh, tanh, and sech.
  • Familiarity with hyperbolic identities and their properties.
  • Basic algebraic manipulation skills for verifying identities.
  • Knowledge of the addition formulas for hyperbolic functions.
NEXT STEPS
  • Study the derivation of hyperbolic identities using cosh(2x) and sinh(2x).
  • Practice verifying hyperbolic identities with additional examples.
  • Learn about the graphical representation of hyperbolic functions.
  • Explore applications of hyperbolic functions in calculus and differential equations.
USEFUL FOR

Students studying calculus, mathematics enthusiasts, and anyone interested in understanding hyperbolic functions and their identities.

CalcStudent
Messages
2
Reaction score
0

Homework Statement



verify these identities:

1) tanh^2 x + sech^2 x =1
2) sinh(x+y) = sinh cosh y + cosh x sinh y


Homework Equations



cosh2x - sinh2x = 1
sech2x + tanh2x = 1
coth2x - csch2x = 1

sinh (x ± y) = sinh x cosh y ± cosh x sinh y
cosh (x ± y) = cosh x cosh y ± sinh x sinh y
tanh(x ± y) = (tanh x ± tanh y)/(1 ± tanh x.tanh y)
coth(x ± y) = (coth x coth y ± l)/(coth y ± coth x)
 
Physics news on Phys.org
Um, the identities are given to you in your "relevant equations." What is it you are asking?
 
Pretty sure you are suppose to show us what you did first..
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
2K
Replies
2
Views
1K
  • · Replies 18 ·
Replies
18
Views
3K
  • · Replies 14 ·
Replies
14
Views
2K
  • · Replies 8 ·
Replies
8
Views
2K
Replies
5
Views
2K
  • · Replies 3 ·
Replies
3
Views
1K
  • · Replies 13 ·
Replies
13
Views
2K
Replies
32
Views
3K
Replies
9
Views
2K