What is the result of Tan 60 ° + 2tan 45 ° - 2cos 30?

What is the result of Tan 60 ° + 2tan 45 ° - 2cos 30?

Tan60 ° + 2tan45 ° - 2cos30 = √ 3 + 2 × 1-2 × (√ 3 × 1 / 2) = √ 3 + 2 - √ 3 = 2 is to remember the corresponding trigonometric function value of each degree