1. Chapter 8 Class 10 Introduction to Trignometry
  2. Serial order wise
  3. Sin 90 - θ, cos 90 - θ formula
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Question 4 - sin 90 - θ, cos 90 - θ formula - Chapter 8 Class 10 Introduction to Trignometry

Last updated at Dec. 13, 2024 by Teachoo

Transcript

Question 4 If tan A = cot B, prove that A + B = 90 . Given tan A = cot B To solve this we should know relation between tan and cot Now, We know that cot θ = tan (90 - θ) Putting value of cot B tan A = tan (90 - B) Comparing angles A = 90 - B A + B = 90 Hence proved.
  1. Chapter 8 Class 10 Introduction to Trignometry
  2. Serial order wise

    3. Sin 90 - θ, cos 90 - θ formula

    Finding sin cos tan →
Finding sin cos tan →
Chapter 8 Class 10 Introduction to Trignometry
Serial order wise

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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