hi buddy, regarding trigo i just wanna say that the formulas do look tricky in the beginning but once u try and solve out a good number they become a child's play. u start applying them subconciously. so if u have prob with trigo start from the scratch and keep solving ques of higher level progressively. Also a lot of the formulas r derived from each other so its not so difficult to learn them. i too had a prob with trigo but this approach really worked well
hope u got the solution all the best
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