Answer:
Step-by-step explanation:
This is your correct answer if ur aim is simplification!
The answer is fifteen (15)
Hope this helps!
A vat of water and a weighing scale
Answer:
cos^(-1)(12/13) = 22.62°
Step-by-step explanation:
Inverse trig functions are used to find angles. I was taught SOH CAH TOA: sine = opposite/hypotenuse, cosine = adjacent / hypotenuse, tan = opposite / adjacent.
Here, we have an adjacent side length and the hypotenuse. So we use inverse cosine.