Tan45° + cot 45° -sec30°

Tan 45° + cot 45° – sec 30°
= 1 + 1 – 2/3√3
= 2 – 2/3√3
= 2 – 2/3(1,7)
= 2 – 1,13
= 0,87

Tan 45°+cot 45° – sec 30°
= 1 + 1 -2
=2-2
=0