What are the sine, cosine, and tangent of Θ = 3 pi over 4 radians?

1 answer:

7 0

Our angle teta is:
teta = 3pi/4

since that is larger than pi/2 but less than pi that means that our angle lies in II quadrant (x negative y positive)

sin(3pi/4) = √2/2
cosine and tangent of that angle must be negative because of position of the angle.

cos(3pi/4) = -√2/2
tan(3pi/4) = -1

You might be interested in

Calculate the total cost of an item bought at a negotiated price of $15,640 and a $2,500 trade-in allowance. The sales tax is 7.

34kurt

15,640 * 7.2% = 1,126.80 Sales tax

Total cost:
cost of an item: 15,640 - 2,500 = 13,140.00
sales tax 1,126.80
registration fee <u> 106.00</u>
14,372.80 2nd option.

6 0

2 years ago

Using technology or by hand, make a dot plot representing the data shown in the table. Make sure to label your plot appropriatel

jolli1 [7]

Hello! Don't worry! I will try to answer this as best as I can and as fast as I can. Sorry if the answer is wrong. I am still learning. Hope you get this right!

Answer:

The answer is D.

Step-by-step explanation:

First, you have to find the differences in number of guests in this 2 party :

Next, you have to divide by the smaller value which is the first party, then, multiply by 100 as the question wants percentage increase :

Still stuck? Get 1-on-1 help from an expert tutor now.

Hope this helps you!

:).

5 0

1 year ago

X-9=23 help plzzz test or my grades drop

swat32

Answer:

x=32

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

For every person who walked, there were forty-four who drove. If 270 made the trip, how many walked? PLEASE HELP! NO SPAMMING OR

svp [43]

For every person that walked there were 12 who drove and if the 270 made the trip then 87 walked

8 0

2 years ago

What points are a solution to

Contact [7]

Answer:

there's not enough context...

Step-by-step explanation:

5 0

2 years ago