Question

1-sin 60. 1-tan 30
______ = ______ =2-✓3
Cos 60. 1+tan 30

Answer 1

(1-√3/2 ) / (1/2) = 2- √3
______________

(1-1/√3) / (1+1/√3)

Rationalise

( (1-1/√3) x (1-1/√3) ) / (1-1/3)

(1+1/3-2/√3) / 2/3
2 - (2/√3 x 3/2)

(2 - √3)