Question

2
(ग) एक इंजन 2100K तथा 700K के बीच कार्य करता है । इसकी वास्तविक
दक्षता 40% है। इसकी अधिकतम दक्षता कितने प्रतिशत है?
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Answer 1

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).