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\begin { equation } \begin{array}{l}{\tan \theta=\frac{a}{b} \text { then } \sin \theta=} \\ {\text { A) } \frac{a}{\sqrt{a^{2}+b^{2}}} \quad \text { (B) } \frac{b}{\sqrt{a^{2}+b^{2}}} \quad \text { (C) } \frac{b}{a} \quad \text { (D) } \sqrt{a^{2}+b^{2}}}\end{array} \end { equation } |
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Answer» The option (A) is the answer |
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