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For solving questions on trigonometry u have to remember the table of sine cosine,etc.they are the basic in higher classes there are however many formulas which u should remember for solving sums fluently,also u should solve 20 sums everyday to be fluent in trigonometry.

hope this helps u
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To solve trignometrical sums...u should have a basic knowledge of sine,cosine,tangent,cotangent,secant,cosecant..etc...there are numerous other formulas also..
sin=opp side/hypotenuse side
cos=adj side/hypotenuse side
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