If sec A$ =\frac{\sqrt{11}}{3}$, then the value of $\frac{cosec^2A + tan^2A}{sin^2+cot^2A}$ is : |
$\frac{9}{4}$ $\frac{4}{9}$ $\frac{11}{9}$ $\frac{2}{11}$ |
$\frac{11}{9}$ |
secA = \(\frac{√11 }{3}\) { cosx = \(\frac{B }{H}\) } P² + B² = H² P² + 9 = 11 P = √2 Now, \(\frac{cosec²A + tan²A }{sin²A + cot²A}\) = \(\frac{ (√11/√2)² +(√2/3)² }{(√2/√11)² + (3/√2)² }\) = \(\frac{11/2 + 2/9 }{2/11 + 9/2}\) = \(\frac{(99+4)/18 }{(4+99)22}\) = \(\frac{22 }{18}\) = \(\frac{11 }{9}\)
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