COMPOUND ANGLES BASED ON PROBLEM|TRIGONOMETRY|UNIT-1|PRACTICE PROBLEM|BY Er.Nitish sir
in this lecture of video discuss will be compound angles based on problem.
these lecture are made by according to sbte board of syallbus .if any others Boards of students.so own according to syallbus you can watch lecture .I have explain All Question easy way and very simple.if any student back to lecture then you can watch lecture| Only practice problem