exam
Maths Puzzle
Numerical Ability
the problem is this: 9x + 4y
-6x - 5y
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exam Other Question
In the right triangle ABC, AC= 12, angle B= 30 degrees, Angle C= 90 degrees, and Angle A= 60 degrees.
What is the perimeter of the Triangle
Verify the identity.
(cos(x) - cos(y))/(sin(x) + sin(y)) + (sin(x) - sin(y))/(cos(x) + cos(y)) = 0