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need help with this problem and how do i determine which trigonometric sign to use like cos or sin in F_2

need help with this problem and how do i determine which trigonometric sign to use like cos or sin in F_2

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need help with this problem and how do i determine which trigonometric sign to use like cos or sin in F_2

2-70. The beam is subjected to the two forces shown. Express each force in Cartesian vector form and determine the magnitude and coordinate direction angles of the resultant force. F₂ = 250 lb X 17 60° 60° L Z 24 135° L amazon music 25 F₁ = 630 lb Prob. 2-70 O ^ 4x 2:15 PM 9/13/2023 24
Transcribed Image Text:2-70. The beam is subjected to the two forces shown. Express each force in Cartesian vector form and determine the magnitude and coordinate direction angles of the resultant force. F₂ = 250 lb X 17 60° 60° L Z 24 135° L amazon music 25 F₁ = 630 lb Prob. 2-70 O ^ 4x 2:15 PM 9/13/2023 24
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