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Ye din kitna acha hai na nishu tune leave kardiya na reet bhi karegi mai bhi kar lunga kuch din rahunga yaha basgiveaway hoga kuch din mai point ka​

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Answer:

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).

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