Proof : tan^2 θ+1 =sec ^2 θ

Proof : tan^2 θ+1 =sec ^2 θ

[@govindrajan1530]

Very good knowledge

[@krishnasayeerulesnumbers5758]

Thank you sir

[@MahaLakshmi-lv9ws]

Hi kutty all the best ur future and congratulations..........enaku spoken English solli tharingala ab

[@krishnasayeerulesnumbers5758]

Thank you.mam

[@josephjeyaseelan5078]

❤❤

[@ebitamil754]

Krishna why Da you offed the comments in next video