Sideway
output.to from Sideway
Properties of Trigonometric Functions




Draft for Information Only

Trigonometry

Trigonometric functions are related with the properties of triangles. Some laws and formulas are also derived to tackle the problems related to triangles, not just right-angled triangles.

Half Angle Formulas

 IMAGE...

With the introduction of the semiperimeter concept, the half angle identities of trigonometric functions can also be expressed in term of the semi-perimeter of a triangle or sides of a triangle. 

The half angle formula for the sine funcion of an internal angle of a triangle can be obtained from the half angle identities of sine function by substituting the result of cosine function formula. Imply

 IMAGE...

The half angle formula for the cosine funcion of an internal angle of a triangle can be obtained from the half angle identities of cosine function by substituting the result of cosine function formula. Imply

 IMAGE...

The half angle formula for the tangent funcion of an internal angle of a triangle can be obtained from the half angle identities of tangent function by substituting the result of cosine function formula or from the half angle formula for sine and cosine functions directly. Imply

 IMAGE...

close

References

  1. B. Joseph, 1978, University Mathematics: A Textbook for Students of Science & Engineering, Blackie & Son Limited, HongKong
  2. Ayres, F. JR, Moyer, R.E., 1999, Schaum's Outlines: Trigonometry, McGraw-Hill, USA
  3. Hopkings, W., 1833, Elements of Trigonometry, Baldwin and Cradock, London
close

ID: 130600025 Last Updated: 2013-6-21 Revision: Ref:

IMAGE

Home(1)

Business

Management

HBR(2)

Information

Recreation

Hobbies(7)

Culture

Chinese(546)

English(309)

Reference(24)

Computer

Hardware(99)new

Software

Application(149)

Digitization(20)

Numeric(19)

Programming

Web(322)

HTML

Knowledge Base

Common Color(1)

Html Entity (Unicode)(1)

OS(233)

MS Windows

Windows8.1(1)

DeskTop(1)

Knowledge

Mathematics

Formulas(6)

Number Theory(37)

Algebra(14)

Trigonometry(18)

Geometry(17)new

Calculus(66)

Engineering

Tables(8)

Mechanical

Control

Process Control(1)

Mechanics(1)

Rigid Bodies

Statics & Dynamics(128)

Fluid(5)

Fluid Kinematics(5)

Acoustics(19)

FiniteElement(2)

Biology(1)

Geography (1)

Valid XHTML 1.0 Transitional Valid CSS!
Firefox47 IExplorerna


facebook
Latest Updated Links

Copyright © 2000-2016 Sideway . All rights reserved Disclaimers facebook last modified on 19 May 2015