I was going through HC Verma's Concepts of Physics... in problem he wrote cos 37degrees as 4/5... I want to know how to get it?
and
In exams if different angles are given... how should i solve it to get the value in Fraction ?
I was going through HC Verma's Concepts of Physics... in problem he wrote cos 37degrees as 4/5... I want to know how to get it?
and
In exams if different angles are given... how should i solve it to get the value in Fraction ?