Here is the video, in which important questions of trigonometry are discussed along with the shot tricks & methods which will be saving your time during the exam.
To get the basic of the Trigonometry (Maxima Minima) kindly click on the link given below:-
SSC CGL 2017 1-Month Revision: Maxima Minima (Trigonometry) Basic Concepts, Formula, Tips and Tricks
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