Answer:
980
Explanation step by step:
The factors are arranged and multiplied

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!
:)
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Step-by-step explanation:
I am not sure. sorry if it is wrong