Practicing Success
Practicing Success
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If (sin A - cos A) = 0, then what is the value of cot A ? |
$\frac{\pi}{6}$ 0 1 $\frac{\pi}{4}$ |
1 |
( sinA - cosA ) = 0 sinA = cosA { we know, sin P = cos Q Iff P + Q = 90º } So, A + A = 90º A = 45º Now, cotA = cot 45º = 1 |
