exam
Maths Puzzle
Numerical Ability
1-2cosL+cos2L= ?
L is alpha and please if anyone can explain it to me i would be grateful.
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exam Other Question
Describe the pattern and list the next three numbers:
1, 8, 27, 64, _________, ________, _____________
Solve by elimination:
2x+3y=21
5x-2y=-14