Question

स्पष्ट उच्चारण हे
संप्रेषणाची पहिली
प्रभावी महत्त्वाची पूर्व शर्त आहे.​

Answer 1

Explanation:

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).