Question

Express in radians : 15°15'15"​

Answer 1

Answer:

3661/43200 π

Step-by-step explanation:

60''= 1'

1''= 1/60'

15'' = 1/4'

similarly 15'= 1/4°

and 15''= 1/4'=( 1/4× 1/60) 1/240°

therefore,

15° 15' 15'' = 15° + 1/4° + 1/240° = 3661/240°

Hence, 3661/240° × π/180° = 3661/43200π