Question

please tell question 20 class 11 maths chapter 3 Trigonometry​

Answer 1

Answer:

NCERT Solutions for class 11 Maths Chapter 3- Trigonometric Functions Exercise 3.3 have been provided here for students to prepare well for the exam. The steps given in the examples are followed while providing the NCERT Solutions for class 11 for the questions present in the exercises. These solutions have been prepared by the subject experts at BYJU’S and are in accordance with the NCERT syllabus and guidelines.

The Exercise 3.3 of NCERT Solutions for Class 11 Maths Chapter 3- Trigonometric Functions is based on Trigonometric Functions of Sum and Difference of Two Angles. SOme of these functions are:

sin (– x) = – sin x

cos (– x) = cos x

cos (x + y) = cos x cos y – sin x sin y

cos (x – y) = cos x cos y + sin x sin y

sin (x + y) = sin x cos y + cos x sin y

sin (x – y) = sin x cos y – cos x sin y

Answer 2

Answer:

hi tum mera niple ka photo wala question delete karo pls