exam
Maths Puzzle
Numerical Ability
can you help me?
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exam Other Question
Prove the following identity:
sin(2t) = 2 * ((cot(t))/(1 +cot^2(t)))
hi, i need some help with these equations and if possible express the answer as on ordered pair....
x-y=4
2x+y=5
thanks in advance for the help!!