Question

what is trigonometry and this formula

Answer 1

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Answer 2

trigonometry as thought by others is the toughest branch of mathematics but it is not because I had learnt the first chapter of trigonometry by myself it comes from I think Greek or Latin words I am not sure and it training Sri battery means measurement and gone trigone I think is the measurement of angles so it is nothing but just the formulas in the form of ratio between the three different size of the triangle and the angles of the same Triangle the formulas you can get on your book but still for your convenience I am telling you that sin is the ratio between perpendicular and hypotenuse cosine is the ratio between base and hypotenuse and tangent is the ratio between perpendicular and base and the respectively cosecant secant and cotangent are there reciprocal