Class 11 Book Solution from S N Dey in Trigonometric Functions of Submultiple Angles Question No: (9)4.12

\(tan^2 \theta cos ^2 ({{\alpha + \beta} \over {2}})=sin \ \alpha \sin \ \beta\) হলে দেখাও যে  \(tan^2 {\theta \over 2}\)–এর একটি মান \(tan {\alpha \over 2}tan {\beta \over 2}\)

Download Solution PDFDownload Solution PDF

Live Online Math Classes

Board Syllabus, Total 80 Classes, 4 Modules, 2 Classes every week, Zoom Software, Recordings available.

Enroll Now!

Homework Help from Expert Tutors

Upload your homework questions and get video and PDF solutions created by expert tutors. Delivery within 6- 24 Hrs.

Upload Now!