2 years ago

Rewrite with only sin x and cos x. (6 points) cos 2x - sin x

1 answer:

4 0

Answer:

The answer is a. cos2x - sin2x - sin x. Use the rule: cos2x = (cos^2)x - (sin^2)x. So, substitute cos2x in the expression: cos2x - sinx = ((cos^2)x - (sin^2)x) - sinx = (cos^2)x - (sin^2)x - sinx. Therefore, choice a. is correct choice.

You might be interested in

Type the correct answer in each box. The length of a rectangle is 2 inches more than its width. The perimeter of the rectangle i

vekshin1

Answer:

5 is the width and 7 is the length

4 0

2 years ago

Read 2 more answers

suzanne buys 6 paints sets. each set contains the same number of brushes. she buys 18 brushes.how many bruxhes are in each paint

Luda [366]

3 bruches i think

Because you need to divide

6 0

2 years ago

Read 2 more answers

If Amy has two apples and drops one, how many does she have now?

AURORKA [14]

She still has two since she only dropped it and hasn’t eaten it yet

8 0

2 years ago

What is the value of the sum?

babymother [125]

The answer is -1/9. If you have any questions let me know

6 0

1 year ago

Alaine has 1 gallon of paint. She is going to pour it into a paint tray that measures 10 inches wide, 12 inches long, and 5 cm d

Damm [24]

If Alaine has 1 gallon of paint, and she pours it into a paint tray that measures 10"w, 12"L, and 3cm deep, the paint tray will not fill the tray by 5.22 in3.

6 0

3 years ago