Question: I need help solving simultaneous equations: I have equation 1: 100 + Scos(30) = 100t and equation 2: -Ssin(30)=100t -(9.81/2)t^2 . I want to use

I need help solving simultaneous equations: I have equation 1: 100 + Scos(30) = 100t and equation 2: -Ssin(30)=100t -(9.81/2)t^2 . I want to use tangent. I also know 1/cos^2 = 1 +tan^2

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