Jerome's answer to Vin's Junior College 1 H1 Maths Singapore question.

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Jerome
Jerome's answer
19 answers (Tutor Details)
1st
I found Fa for you. From there, you should be able to get Fb. You can then equate the vertical component of Fa as equal to Fb to get the vertical component of Fb. After which u can get Fb's horizontal component which will allow you to obtain angle theta.