Question

solve the questions please​

Answer 1

Answer:

Step-by-step explanation:

i) $cosec^{2} x + sec^{2} x = \frac{1}{sin^{2} x} + \frac{1}{cos^{2} x}\\= \frac{cos^{2} x + sin^{2} x}{sin^{2} x * cos^{2} x} \\= \frac{1}{sin^{2} x * cos^{2} x} \\=cosec^{2} x * sec^{2} x$