Can somone help me solve this problem?

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1 Answer
Gió
Feb 23, 2018

I tried this (assuming you need the angle in UU):

Explanation:

From trigonometry we know that:
7.5=19.5sin(Û)
rearranging:
sin(Û)=7.5/19.5
sin(Û)=0.38
and finally:
Û=sin^(-1)(0.38)

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