Select the correct notation for the inverse of the cosine function. arccos(x)
cos^−1(x)
1/cos(x)
cos(1/x)
(cos(x))^−1

Timed***how else can the sequence for row 1 be written? notice: square a: 1 penny = 20 square b: 2 pennies = 21 square c: 4 pennies = 22 the sequence formed is geometric, with a1 = , and common ratio r = .

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

Use the given information to determine the exact trigonometric value.