exam
Maths Puzzle
Numerical Ability
What is the domain and range for the following equations:
y=1-x
y=|1-x|
y=1-x^2
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exam Other Question
I need help solving this problem:
6y+1<39
If sin alpha is less then 0, cos alpha = 1/3, cos beta is less then 0 and sin beta = -2/3, find the following:
a. sin(alpha + beta) b. cos (alpha - beta)