Class 10 Maths Ex 8.1 Q9 (Trigonometry) NCERT Exemplar

In this video, we solve NCERT Exemplar Class 10 Mathematics – Chapter 8 (Introduction to Trigonometry and its Applications), Exercise 8.1, Question 9. Question 9 If sin A + sin² A = 1, then the value of the expression (cos² A + cos⁴ A) is (A) 1 (B) 1/2 (C) 2 (D) 3 Answer: A REFERENCE Question 9 – Step by Step Solution https://arjunschool.com/ncert-exempla... [Android App] NCERT Books Download Manager (Free) https://play.google.com/store/apps/de... More Resources: NCERT Books – https://arjunschool.com/ncert-books NCERT Solutions – https://arjunschool.com/ncert-solutions NCERT Exemplar Solutions – https://arjunschool.com/ncert-exemplar