Question

what is trigonometry.
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..my bad day for whole life is when I can't talk my birthday day ​

Answer 1

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).

Answer 2

Answer:

good morning didi

mai aaj bohot khush hu mere no ache aaye (•‿•)

aap kaise ho

and ye dp achi hai na