Find value of tan75/2

If you mean tan(75/2), then

sin²15 = (1+cos30)/2 = (2-√3)/4
cos²15 = (1-cos30)/2 = (2+√3)/4

sin75 = cos15
cos75 = sin15

tan 75/2 = (1-cos75)/sin75
= (1 - √(2-√3)/4)/√((2+√3)/4)
= (2 - √(2 - √3))/√(2 + √3)
= 0.7673

15root over3

Bindu (1,4)tatha (5,8)ke madh bindu ko mulbindu se milane vali rekh ka samikard geyt karo

(Root2-root3)(root2+1)

15-8√3

Tan75/2

75/2

Tan75/2=?