Practicing Success
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What will be the value of \(\frac{sin\;19°}{cos\;71°}\) ? |
2 -1 1 0 |
1 |
\(\frac{sin\;19°}{cos\;71°}\) = \(\frac{sin\;(90°-71°)}{cos\;71°}\) = \(\frac{cos\;71°}{cos\;71°}\) = 1 |
