Question

If a + b = 900and : = 2: 1. Find sina : sinb.​

Answer 1

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Answer 2

Answer:

$given... \\ \\ a + b = {90}^{0} \\ a + b = \frac{2}{1} \\ \\ let \: the \: no.be \: x \\ \\ 2x + x = 90 \\ \\ x = \frac{90}{3} = 30 \\ \\ 2 \times 30 = 60 \\ \\ \frac{sin \: a}{sin \: b} = \frac{sin \: 30}{sin \: 60} = \frac{1}{2} \\ \\ = > \sqrt{3 : \: 1 }$

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