Question

if m cot A =n, then the value of m sin A- n cos A / n cos A + m sin A​

Answer 1

Step-by-step explanation:

cotA= n/m

means tanA=m/n

now come to the question

$\frac{msina - ncosa}{ncosa + msina }$

cosA common lene pr

$\frac{cosa}{cosa} \times \frac{ mtana - n}{n + tana}$

putting value of tanA here

$\frac{ {m}^{2} - {n}^{2} }{ {m}^{2} + {n}^{2} }$

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