Which trigonometric function is equivalent to f (x) = sinx?

f (x) = cos (x-3pi/2)

f (x) = cos (x-pi/2)

f (x) = cos (-x-pi/2) < - - i think this one, not sure

f (x) = cos (x+pi)

Leonardo da vinci took out A simple interest loan at 12.75% interest for 12 months. His previous balance is % 942.36. What is his final payment if the loan is paid off with the next payment?

15. Find the sum of 16y and - 5y? 16. Find the difference of 10x'y and 2x'y 17. Subtract 9a from - 15a 18. From - 9cd?, subtract - 2cd?

Natasha Charges $12 per hour for babysitting in her neighborhood. What equation realates her pay job to the number of hours she works

If f (x) varies directly with x and f (x) = 4 when x=12 then what is the value of f (x) when x=60 A: 5 b: 20 C: 180 D: 300

It takes a computer 1.2 seconds to perform an operation. If a task contains eight operations how many seconds will it take for computer to perform the task twice

on a graph would the x-axis be sideways or straight up and would the y-axis be straight up or sideways

What is the inverse of f (x) = -x-1

Angel beats it's wings about 53 times each second. about how many times does Angel beat in 5 seconds

Marco and Nadia each collect money that has spilled from a truck. Marco collects $184.50. Nadia collects 26 percent more than Marco does. How much money does Nadia collect? $185.76 $232.34 $220.93 $232.47

A lamp costs $87.75. If the sales tax is 8%, how much tax would be paid on this lamp?