Question

Which of the following are equivalent to the function y = 4cos x - 2? As many as are applicable.
A. y = 4sin(x - (pi/2)) - 2
B. y = 4sin(x + (pi/2)) - 2
C. y = 4cos(-x) - 2
D. y = -4cos x + 2

Answer 1

@UnkleRhaukus

Answer 2

@bloodrain

Answer 3

B. y = 4sin(x + (pi/2)) - 2

Answer 4

its because use submultiple angle method

Answer 5

thats it?

Answer 6

just b?

Answer 7

@goformit100

Answer 8

@WhatsAUserName

Answer 9

@TheMind :3

Answer 10

7 hours T.T

Answer 11

hello do you still need something?

Answer 12

I need to know if that is all the answers associated with this question..it can be more than one.

Answer 13

@nincompoop

Answer 14

.......

Answer 15

Your sarcasm knows no bounds does it....

Answer 16

I'll ask someone else some other time....I'd rather it not be you if you are going to make comments like that.

Answer 17

i guess