$\sin^{2}\dfrac{\pi}{6} + \cos^{2}\dfrac{\pi}{4} + an^{2}\dfrac{\pi}{3} + \cot^{2}\dfrac{\pi}{2}$ equals —

Question

$\sin^{2}\dfrac{\pi}{6} + \cos^{2}\dfrac{\pi}{4} + 	an^{2}\dfrac{\pi}{3} + \cot^{2}\dfrac{\pi}{2}$ equals —

Accepted Answer

$\dfrac{15}{4}$

Answer

$\dfrac{7}{4}$

Answer

$\dfrac{11}{4}$

Answer

$\dfrac{19}{4}$

sin⁡2π6+cos⁡2π4+tan⁡2π3+cot⁡2π2\sin^{2}\dfrac{\pi}{6} + \cos^{2}\dfrac{\pi}{4} + \tan^{2}\dfrac{\pi}{3} + \cot^{2}\dfrac{\pi}{2}sin26π​+cos24π​+tan23π​+cot22π​ equals —