Ex 8.2, 4 (iii) - Chapter 8 Class 10 Introduction to Trignometry

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Ex 8.2, 4 State whether the following are true or false. Justify your answer. (iii) The value of cos θ increases as θ increases. We know that cos 0° = 1 cos 30° = √3/2 = 1.73/2 = 0.865 cos 45° = 1/√2 = 1/1.414 = 0.707 cos 60° = 1/2 = 0.5 cos 90° = 0 Thus, value of cos θ decreases as θ increases So, the given statement is false

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo