Question 1 - Trignometric ratios of complementry angles - Chapter 8 Class 10 Introduction to Trignometry

Last updated at April 16, 2024 by

Example 9 - Evaluate tan 65 / cot 25 - Chapter 8 Class 10 - Examples

Go Ad-free

Transcript

Question 1 Evaluate tan 65° /cot 25° . Now, tan 65 / cot 25 We know that 25 + 65 = 90 Hence, 65 = 90 - 25 So, we put tan 65 as tan (90 - 25) = ( tan (90 - 25))/cot 25 Now, we know that tan (90 - θ) = cot θ = cot 25 /cot 25 = 1

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

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