Register
Which of the following are equivalent to the function y = 4cos x - 2? Check all that apply. A. y = -4cos x + 2 B. y = 4sin(x +π/2 ) - 2 C. y = 4sin(x - π/2) - 2 D. y = 4cos(-x) - 2 ...?
170k views
3 votes
Which of the following are equivalent to the function y = 4cos x - 2? Check all that apply.

A. y = -4cos x + 2
B. y = 4sin(x +π/2 ) - 2
C. y = 4sin(x - π/2) - 2
D. y = 4cos(-x) - 2 ...?

User Hexaholic
by
8.7k points

1 Answer

4 votes
the answer is
D. y = 4cos(-x) - 2
proof
cosine is an even function, it means cos(-x) = cosx
so y = 4cos(-x) - 2 = y = 4cos(x) - 2
User Chqrlie
by
7.5k points
← Prev Question Next Question →

Related questions

User Kwo
asked May 17, 2024 194k views
Draw the circle paramaterized by x=4cos(t)−2 y=4sin(t)−1
Kwo asked May 17, 2024
by Kwo
7.4k points
1 answer
2 votes
194k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!