For the following functions, state the domain of y, find dy dx and its domain. 279. y=sin-¹(x²) 280. y = cos¯¹ (√x) 281. 282. y = 283. -1 y = sec ¹ (+) 286. 3 -1 = (1 + tan¯¹ x) y = 284. y = √esc-¹x 285. y= cos = cos¯¹ (2x). sin¯¹ (2x) tan-¹(x) y = sec-¹ (-x) Skip the domain of both y and its derivative for # 281 287. y=cot-¹√4-x² 288. y=x.csc¹x .-1

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