exam
Maths Puzzle
Numerical Ability
Prove that:
1 + cos A/ 1 - cos A = tanČA/(secA - 1)Č
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exam Other Question
How do you solve something like this:
14x-28x^2
how do i solve if the bigger number is negative?
Does the answer become 14x(-2x+1)?
Solve the system of linear equations by the substitution method. Then, state whether the system is independent, dependent, or inconsistent.
-x+7y=4
-x+7y=3