Find the exact value of each expression, if possible, without using a calculator. (if an answer is undefined, enter undefined.)
(a) arctan(1)
(b) arccos(−1)

find the exact value of each expression, if possible, without using a calculator. (if an answer is undefined, enter undefined.)
(a) cos^−1(−2)
(b) sin^-1(-square root 2/2)

use a calculator to approximate the value of the expression, if possible. round your answer to the nearest hundredth. (enter your answer in radians. if an answer is undefined, enter undefined.)
tan−1(6.8)

Eight people were asked what the balance of their savings account at the beginning of the month was and how much it increased or decreased by the end of the month. create a scatter plot that represents the data that is shown in the table. the x-axis represents the beginning balance in thousands of dollars and the y-axis represents the change in the savings account in hundreds of dollars. name beginning balance (in thousands of dollars) change in savings account (in hundreds of dollars) jimmy 5 3 kendra 4 7 carlos 5 4 yolanda 3 1 shawn 2 5 laura 3 2 andy 5 6 georgia 4 3

You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

What is the reflection image of (5,-3) across the line y = -x?