I would say to check the 1st and 3rd
Use the 30-60-90 triangle.
Tan is opposite over adjacent.

Square roots cannot be on the bottom.

The bottom cancel out the square root bar.
Your answer is:

(It's best to memorize the 30-60-90 and the 45-45-90 triangles during trigonometry. It helps a lot.)
Hope this helps!
:)
Answer:
(3^3*5^3)-2
(27*125)-2
3375-2=3373
Step-by-step explanation:
(3^3*5^3)-2
(27*125)-2
3375-2=3373