exam Maths Puzzle Numerical Ability

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3x/4 - 2x - 3 / 3 = 6

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exam Other Question

Find sinA, cosA, and tanA of the following triangle.
Line AC=2
Line AB=4
Angle C is a right triangle (ie. 90 degrees)

Thanks! Find three consecutive odd integers such that twice the second is 5 more than the last ?