First we can calculate the values of each trigonometric function:
tg(30°) = sin(30°)/cos(30°) = 1/√3sin(60°) = √3/2
Therefore:tg(30°) - tg(30°) + sin(60°) = 1/√3 - 1/√3 + √3/2 = √3/2
So, Tg2 30° - tg2 30° + sin60° = √3/2.
First we can calculate the values of each trigonometric function:
tg(30°) = sin(30°)/cos(30°) = 1/√3
sin(60°) = √3/2
Therefore:
tg(30°) - tg(30°) + sin(60°) = 1/√3 - 1/√3 + √3/2 = √3/2
So, Tg2 30° - tg2 30° + sin60° = √3/2.