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Maths Puzzle
Numerical Ability
GRAPH {{{y^2+(x+1)^2-2x^2=100}}}
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It takes you 6 hours to do a job. It takes a friend 3 hours to do the same job. How long would it take both of you working together to do the job?
Solve sin 2micro = tan micro for all positive values less than 360 degrees.