UPSKILL MATH PLUS
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Learn more1. The value of \(cosec(70° + \theta) - sec(20° - \theta) + tan(65° + \theta) - cot(25° - \theta)\) is .
2. The value of \(tan \ 1° \ tan \ 2° \ tan \ 3° \ …. \ tan \ 89°\) is
3. Given that \(sin \ \alpha = \frac{1}{2}\) and \(cos \ \beta = \frac{1}{2}\), then the value of \(\alpha + \beta\) is
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