Question

hEllo,

plzzz prove sin 7° is 1/10

I will inbox u pkka !!

plzzz jaldi ​

Answer 1

Answer:

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Answer 2

$\red{\bf{question}} \implies \: \: \: prove \: that \: sin \: 7 \degree \: \\ \\ proof \implies \: \\ \\ sin \: (37 - 30) \\ \\ using \\ \: sin(x - y) = sinx \: cosy - cosx \: sin \: y \\ \\ we \: get \\ \\ \implies sin37 \: cos30 - cos37 \: sin30 \\ \\ \implies \: \frac{3}{5} \times \frac{ \sqrt{3} }{2} - \frac{4}{5} \times \frac{1}{2} \\ \\ \implies \: \frac{3 \sqrt{3} - 4}{10} \\ \\ \: nearly \: equal \: \frac{1}{10}$

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