1. Chapter 8 Class 10 Introduction to Trignometry
  2. Serial order wise
  3. NCERT Exemplar - MCQ
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Question 1 - NCERT Exemplar - MCQ - Chapter 8 Class 10 Introduction to Trignometry

Last updated at Dec. 16, 2024 by Teachoo

The value of (sin 30° + cos 30°) – (sin 60°+ cos 60°) is

(A) – 1  

(B) 0  

(C) 1  

(D) 2

Transcript

Question 1 The value of (sin 30° + cos 30°) – (sin 60°+ cos 60°) is (A) – 1 (B) 0 (C) 1 (D) 2 Now, (sin 30° + cos 30°) – (sin 60°+ cos 60°) = (𝟏/𝟐+√𝟑/𝟐)−(√𝟑/𝟐+𝟏/𝟐) = 1/2−1/2+√3/2−√3/2 = 0 So, the correct answer is (B)
  1. Chapter 8 Class 10 Introduction to Trignometry
  2. Serial order wise

    3. NCERT Exemplar - MCQ

    sin 90 - θ, cos 90 - θ formula →
sin 90 - θ, cos 90 - θ formula →
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