Question

sin 30°/
1 - cos 30°-
1 - cos 30°/
sin 30°​

Answer 1

Answer:

sin30/(1-cos30) - (1-cos30)/sin30

= (1/2)/(1-√3/2) - (1-√3/2) / (1/2)

= 1/(2-√3) - (2-√3)

= ( 1 - (2-√3)²)/(2-√3)

= (1-2+4√3-3)/(2-√3)

= ((4√3-4)/(2-√3)