Trigonometry Class 10th
Introduction Trigonometry is a very important and interesting branch of mathematics. The word ‘trigonometry’ is derived from the Greek words ‘tri’ (means three), ‘gon’ (means sides), and ‘metron’ (means measure). It is also said that this word is taken from the Sanskrit language word ‘त्रिकोणमिति’.Trigonometry is the study of relationships between the sides and the …