Question Number 165737 by amin96 last updated on 07/Feb/22
$$ \\ $$ Let alpha is acute angle and cos alpha=3/5 prove that alpha is not r.π where r is rational number\\n
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Question Number 165737 by amin96 last updated on 07/Feb/22 | ||
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$$ \\ $$ Let alpha is acute angle and cos alpha=3/5 prove that alpha is not r.π where r is rational number\\n | ||