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$\theta = 13^\circ \textrm{ , } 77^\circ$

# Giancoli 6th Edition, Chapter 3, Problem 19

(7:26)

After getting the 25.08 by doing the math, how did you get 154.92?

I plugged in the numbers in my calculator and i got only 25.08 and i did not see where the 154.92 came from

Could you please tell me how that was done?

Thank you.