Class 10th Trigonometry Formula & Definition

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Chapter - 8  TRIGONOMETRY

🖊 Trigonometry is that branch of mathematics in which the polygons made of triangles are studied. The literal meaning of trigonometry is "measurement of triangles". Most important in trigonometry is the study of right angle triangles.  🖊Right angled triangle: A triangle in which one of the three angles is a right angle and the other two angles are acute angles, is called a right angled triangle. Some main articles of trigonometry: - Full name  Short name 1. Sine        ⟶ 2. Cosine     ⟶  3. Tangent   ⟶ 4. Cosecant  ⟶ 5. Secant      ⟶ 6. Cotangent ⟶  Sin  Cos  Tan Cosec  Sec  Cot  inverse of trigonometry article sin  ⇄   Cosec  Cos   ⇄   Sec  Tan   ⇄   Cot  🖊 What are trigonometric ratios?  एक समकोण त्रिभुज के तीनों भुजा (कर्ण , लंब व अधार  ) की लंबाई के आपस में अनुपातों को त्रिकोणमितिय अनुपात कहते है ।  🖊 Some Trigonometric Ratios :-

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