7. The value of tan-1 x + cot-1 x when a. xe [-] b. x € +R d. x € (-) С. хER 8. For x € [-1,1], sin¬(-x) is equal to a. - sin-1 x b. T + sin-1 x C. IT - sin-1x d. sin-1x 9. What is the value of cos 13т ¬ (cos 6 d. 13л b. 6 a. С. 6 6
7. The value of tan-1 x + cot-1 x when a. xe [-] b. x € +R d. x € (-) С. хER 8. For x € [-1,1], sin¬(-x) is equal to a. - sin-1 x b. T + sin-1 x C. IT - sin-1x d. sin-1x 9. What is the value of cos 13т ¬ (cos 6 d. 13л b. 6 a. С. 6 6
7. The value of tan-1 x + cot-1 x when a. xe [-] b. x € +R d. x € (-) С. хER 8. For x € [-1,1], sin¬(-x) is equal to a. - sin-1 x b. T + sin-1 x C. IT - sin-1x d. sin-1x 9. What is the value of cos 13т ¬ (cos 6 d. 13л b. 6 a. С. 6 6
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7. C
8. A
9. C
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
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