NCERT Exercise 3.1 Q1 - Trigonometric Functions

Question: Find the radian measures of (i) 25 degrees, (ii) -47 degrees 30 minutes, (iii) 240 degrees and (iv) 520 degrees.

Answer: (i) 5pi/36, (ii) -19pi/72, (iii) 4pi/3, (iv) 26pi/9.

Full step-by-step NCERT solution with diagrams on Something by Zero.