exam Maths Puzzle Numerical Ability

Prove that Sin(theta)times Cos(theta) divided by Cos^2(theta)-Sin^2(theta)=Tan(theta) divided by 1-Tan(theta)
Show step by step how to change the left to equal the right side of equasion

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exam Other Question

A local softball team hopes to win at least 3 games for every 2 lost during the season.If there are 15 games scheduled, how many games can the team win and still achieve its goal? 1. Solve for x. Collect xs on the LEFT side. The solution should be presented with x first, the correct inequality symbol, then the number.
x + 7 - 8x - 9 ≥ 3(x - 7)

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