3 years ago

Find sin theta if cos theta is 4/5

Mathematics

1 answer:

Dima020 [189]3 years ago

5 0

Answer:

Step-by-step explanation:

hello :

cos²θ +sin²θ = 1 and cosθ =4/5

(4/5)² + sin²θ = 1 so : sin²θ = 1 - 16/25

sin²θ = 9/25 = (3/5)²

sinθ = 3/5 or sinθ = - 3/5 because : (3/5)²= (- 3/5)²= 9/25

You might be interested in

PLEASE PLEASE PLEASE HELP!!

nata0808 [166]

133 112
---- = -------
x 16

112x = 133 . 16
112x = 2128
x = 2128/112
x = 19

answer: x = 19

5 0

4 years ago

Solve for x. 3x - 1 = 27

poizon [28]

X = 9
Move the 1 over to make it 3x = 28. The. 28/3 equals 9

3 0

3 years ago

Read 2 more answers

What is the greatest common factor of 20 32 and 88

Zepler [3.9K]

$20|2\\10|2\\.\ 5|5\\.\ 1|\\20=\fbox2\times\fbox2\times5\\\\32|2\\16|2\\.\ 8|2\\.\ 4|2\\.\ 2|2\\.\ 1|\\32=\fbox2\times\fbox2\times2\times2\times2\\\\88|2\\44|2\\22|2\\11|11\\.\ 1|\\88=\fbox2\times\fbox2\times2\times11\\\\GCF(20;\ 32;\ 88)=\fbox2\times\fbox2=4$

7 0

3 years ago

Slope=1÷5; y intercep = -5

sertanlavr [38]

The equation is
$y = \frac{1}{5} x - 5$

3 0

4 years ago

Can someone make a real world problem out of this table please?

Anna007 [38]

Answer:

Carlos is having a party he has every thing he needs exept ice. He goes to a store where they sell mini ice bags, each bag has 16 ice cubes in it and costs 1$. How many bags will he need if he needs 96 peices of ice?

Step-by-step explanation:

hope it helps have a blessed day

7 0

3 years ago