UPSKILL MATH PLUS
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Learn more1. If \(sin \ 30^{\circ} = x\) and \(cos \ 60^{\circ} = y\), then \(x^2 + y^2\) is
2. If \(tan \ \theta = cot \ 37^{\circ}\), then the value of \(\theta\) is .
3. The value of \(tan \ 72° \ tan \ 18°\) is .
4. The value of \(\frac{2 tan 30^{\circ}}{1 - tan^2 30^{\circ}}\) is equal to .
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