If 3cot A =7/8 check (1-tan^2A)/(1+tan^2)=cos^A-sin^A or not I
If 3cot A =7/8 check (1-tan^2A)/(1+tan^2)=cos^A-sin^A or not I #class10 #ncert #maths #chapter8 #trigonometry @brainosolutions Class 10 Exercise 8.1 Q- 8 I Chapter 8 I Introduction to Trigonometry #class10 #ncert #maths #shorts