I am a builder and I may use trigonomtry for figuring out the length of the sloping part of a roof without having to climb up and physically measuring it. This requires that you know the roof angle. Which if you can't read it out of the drawing plans you can sometimes measure inside the house or as a last resort climb up and measure the actual angle. The length of the roof equals half the breadth of the house divided by cosinus to the roof angle.
Another instance where trigonometry comes in handy is when you wish to determine if you have managed to mark the rectangular shape of the foundation correctly. That is you want to know if the angles are all straight (90 degrees). If the two diagonals are the same, you are in business. The sides must be correctly measured too of course...
A third instance is when you wish to create a right angle. I then use a 3-4-5 triangle. The angle between the 3 and 4 sides is always 90 degrees. You may use yards, meters or whatever unit you wish of course the ratio is what counts.
Constructing complcated roofs calls for more trigonometry, but I venture to say that the examples above are the most common uses of trigonometry in building houses.
builders
how can trigonometry use in metallurgy
One example of an astronomer's use of trigonometry is determining the distance to a star by triangulation.
Mechanics use trigonometry to find angles mostly used in body or chassis work.
Well, if Edward Cullen the bloodsucking vampire can use trigonometry. Then I am asuming farmers can as well.
The first recorded use of trigonometry came from the Hellenistic mathematician Hipparchus
do builders use angles
An architect who designs a bridge would use trigonometry, among other mathematical techniques.
Yes.
yes they do
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Yes