# Where do we use trigonometric calculation in real life?

just curious i have not use any trigonometric calculation in real life, do you guys have any idea where do we use in

Posted in: #Coffee Room #General KnowledgeIt is used in construction sector a lot.

As there is a need to balance any object which are huge are tested through small simulation models wherein trigonometric calculations are used to test whether the huge object get balanced if constructed.

Trigonometric is also used in companies manufacturing huge industry machinery and equipment.

Without deciding proper angle to an object it can not be balanced and firmed on the ground whether grounds uneven or even to construct an object.

Well this is the question that araises in most of the minds of engineers . Some of the real-time applications of trigonometry can be seen in the following fields/study :

1.In Aviation (to calculate the right direction for the movement of flight/plane).

2. Oceanography(to calculate heights of tides).

3.In Video Games -Mario game (While mario moving forward,when we make mario jump,he will not move vertically straight,instead he moves frwd with some angle of elevation).

4.In constructions(to construct parallel and perpendicular walls ,roof inclination etc.)

A complete range of applications use triangulation applications - Google Search both in 2D as well as 3D. One of the most widely uses is in Navigation.

Trigonometry is all pervading in virtually all engineering disciplines except IT perhaps. Even here hardware development needs trigonometry. If the original post refers to day to day living, it’s different. In a sense we do use trigonometry in many areas.

For example, solar collectors, whether water heaters or PV panels, have to be oriented in a particular direction and angle to the horizontal because of the cosine effect of the incoming radiation. Otherwise efficiencies will vary widely with seasons.

When you look at an analogue clock the brain interprets the angles of the hands into time even if there are no markings on the dial.

When one extends the hand to the fullest extent and keep the thumb and the forefinger at right angles, the angle at the eye is about 15 degrees. The sun and the moon take about an hour to cover this. Amateur astronomers ( I am one) use this regularly to estimate the time elapsed after sun or moon rise and the time left for setting.

In a more subtle way you use trigonometry when you return a tennis serve, catch a frisbee or a cricket ball, or adjust the tilt of a bike as you take a curve at different speeds.

One can continue ad infinitum.

Excellent answer by Ramani sir. IT does make use of trigonometry as well. I believe almost all CAD applications rely heavily on trigonometric calculations. AutoCAD - popular software used by architects makes use of trigonometric calculations.

Trigonometry has a number of applications in every discipline of engineering because it is the base of engineering. A few applications of trigonometry in mechanical engineering are as follows:

- in the study of mechanisms i.e. to determine if a bar is moved through some angle then what would be the position of other links connected to it
- In the study of motion
- In the study of vector analysis that provides the basis for determining direction of velocity, acceleration etc.

Trigonometry is used in computer music.

We know that sound travels in the form of waves these waves are represented in sine and cosine function in computer music.

To determine the height of the building

With the help of trigonometric functions we can determine the height of the building from the top.

In aviation to determine the speed and wind from which direction it is blowing.

Trigonometry is used to predict the vehicle accidents by trajectory and projectile.

Trigonometry is used in navigation and marine biology and many more...

All games we play like carroms ,table tennis and cricket we use Trigonometry (without knowing it) .

Another best use is while running home in rain, always use pythagoras theorem for shortest distance :)