Question

definition of trigonometry​

Answer 1

Answer:

Carbon is used in some way in most every industry in the world. It is used for fuel in the form of coal, methane gas, and crude oil (which is used to make gasoline). It is used to make all sorts of materials including plastics and alloys such as steel (a combination of carbon and iron).

Answer 2

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THE BRANCH OF MATHEMATICS WHICH DEALS WITH THE RELATION BETWEEN ANGLES AND SIDES OF A TRIANGLE .

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