3 years ago

(4 – 4 cosx)(4 +4 cosx) Simplify

Mathematics

2 answers:

Bumek [7]3 years ago

5 0

Answer:

16sin^2(x)

Step-by-step explanation:

(a-b)(a+b)=a^2-b^2

(4-4cosx)(4+4cosx)

=4^2-(4cosx)^2

=16-16cos^2(x)

=16(1-cos^2(x))

=16sin^2(x)

natali 33 [55]3 years ago

3 0

Answer:

I don't quite know

Step-by-step explanation:

but thanks for asking

You might be interested in

WILL GIVE BRAINLIEST<br> Solve for y in terms of w, x, and z.<br> x=zyw<br> y=

Advocard [28]

Answer:

y= x/zw

Step-by-step explanation:

Isolate the variable by dividing each side by the factors that dont contain the variable

x = zyw /zw

y=x/zw

3 0

2 years ago

Rolling a 3 or rolling an odd number on a six sided die. Is it mutually exclusive or non-mutually exclusive? Give one reason.

Cerrena [4.2K]

Answer:

Non-mutually exclusive

Step-by-step explanation:

both events can happen simultaneously... 3 is an odd number, events A and B have a common outcome.

It would be mutually exclusive if event A was rolling a 4 and event B was rolling an odd number.

7 0

3 years ago

Read 2 more answers

What is the next number in the pattern below?

UkoKoshka [18]

3,5,9,15,23

5-3=2

9-5=4

15-9=6

23-15=8

23+10=33

Answer is 33-B.

7 0

3 years ago

Read 2 more answers

Duffy completed a 50-meter dash in 36 seconds. That was 90 percent of the time it took Paul to complete it. What was Paul's time

Law Incorporation [45]

Answer: C

Step-by-step explanation: Cross multiply.

36/90 = x/100

3600/90 = 40

8 0

2 years ago

Is 2/3 equal to 1/4?

MrMuchimi

Answer:

Step-by-step explanation:

2/3 in decimal is .6 repeating

1/4 in decimal is 0.25

therefore we cannot conclude that 2/3 is equal to 1/4

6 0

2 years ago

Read 2 more answers