Trigonometry
Which of the following cofunctions has the same value as cot(11π12)\cot\left(\frac{11\pi}{12}\right)cot(1211π)?
tan(11π12)\tan\left(\frac{11\pi}{12}\right)tan(1211π)
−cot(5π12)-\cot\left(\frac{5\pi}{12}\right)−cot(125π)
tan(−5π12)\tan\left(-\frac{5\pi}{12}\right)tan(−125π)
cot(5π12)\cot\left(\frac{5\pi}{12}\right)cot(125π)