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Maths Puzzle
Numerical Ability
If Sin B = .8192 and B lies in the second quadrant, find cos B and sin 2B by using sin^2x + cos^2x = 1
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book Other Question
Please help me find the domain and range of each function:
{(-2,3),(4,5),6,7)}
Thank You
3x2 +-4+5x=