`tan(pi/4-A/2)=secA-tanA=sqrt((1-sinA)/(1+sinA))`

2,761 views · Published 12 October 2018 · 5:08 · Indexed 6 October 2026

Channel: Doubtnut · 2018 · Education

Watch on YouTube

To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW `tan(pi/4-A/2)=secA-tanA=sqrt((1-sinA)/(1+sinA))`

More from this channel