exam Maths Puzzle Numerical Ability

What is tanx/sinx?

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exam Other Question

1. expand log:(3square of x devided by 5) closed in parethesis.

2.Write as single Logarithm: 4 log x + log y - 3 log2

3. Solve for x: ln x=4.2

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6a-9a(4a+3)
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