Polytechnic classes by Ak sir/basic trigonometry in Hindi for all students/class 9th,10th,11th ,12th
Channel: Polytechnic Classes by Ak sir
Date: 2020-11-08

Introduction to trigonometry in Hindi for all students 
Polytechnic classes by Ak sir maths for weak students 
In this video you will know about some basic concept of maths for entrance exam 
Basic trigonometry to advanced level in Hindi
 Trigonometry tricks to solve questions