Question

what do u mean by history ????????? what do u mean by trigonometry??????pta hai nahi deti isliye sayali se manga tha​

Answer 1

Answer:

ANSWER 1)

History is the study of change over time, and it covers all aspects of human society. Political, social, economic, scientific, technological, medical, cultural, intellectual, religious and military developments are all part of history. ... Because history is about change, nothing was ever “always” a certain way.

ANSWER 2)

Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc).

Explanation:

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