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▭\:\longdivision{▭} | \times \twostack{▭}{▭} | + \twostack{▭}{▭} | - \twostack{▭}{▭} | \left( | \right) | \times | \square\frac{\square}{\square} |
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▭\:\longdivision{▭} | \times \twostack{▭}{▭} | + \twostack{▭}{▭} | - \twostack{▭}{▭} | \left( | \right) | \times | \square\frac{\square}{\square} |
step-by-step
prove \frac{\cos(x)}{1-\tan(x)}+\frac{\sin(x)}{1-\cot(x)}=\sin(x)+\cos(x)
ar
أضف رسالة.
الرسالة وصلت. شكرًا لتقييمك.