exam Maths Puzzle Numerical Ability

A 6000 lb SUV is being winched up a ramp onto a flatbed trailer. If the ramp is at a 25 degree angle, how much force will be required by the winch to pull the SUV up the ramp?

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exam Other Question
This is really tough. Find the solution polynomial P(x) given zeros at: i, and - 3 +√3 (assume P(x) has rational coefficients). What the simplyied x-1/1/x-1 ?