4 years ago

Given cos0 = -2/3 and lies in quadrant lll what is the exact value of sin 0 in simplified form ?

Mathematics

1 answer:

aksik [14]4 years ago

6 0

Answer:

sin(θ) = -(√5)/3

Step-by-step explanation:

In quadrant III, both sine and cosine are negative. Then the value of interest is ...

sin(θ) = -√(1 - cos(θ)²) = -√(1 -4/9)

sin(θ) = -(√5)/3

You might be interested in

To the nearest tenth, what is the length of the hypotenuse of an isosceles right triangle with a leg of 7 3 inches?

ehidna [41]

C.17.1 inches you just have to divide.

5 0

3 years ago

Read 2 more answers

(24x4) x19= 4(24xk)

maksim [4K]

Answer:

Step-by-step explanation:

Hi there!

Simplify,

24.4.19 = 4.24.k

19=k

Have a nice day.

7 0

3 years ago

-3(5x + 6) + 2 = 2(8 + 8x) - 1

bija089 [108]

So first, we multiply out the brackets.
-15x - 18 + 2 = 17 + 16x -1
Then, bring all the terms onto one side so you can solve.
-15x-18+2-17-16x+1=0
Then, we simplify this.
-31x-32=0
Then, isolate x
-31x=32
x=32/-31 or -1.03 (nearest hundredth )

6 0

3 years ago

Determine if the following expressions are equivalent. If so, by what property are they equivalent.

jeka94

Answer:

C. Yes, by distributive property

Step-by-step explanation:

Distributive property states that 3 can be distributed to all of the terms inside of the parentheses, namely x and -2. 3x + 3(-2) = 3x-6

5 0

3 years ago

Х=<br>m<J= <br>m<M =<br>..............

Oksi-84 [34.3K]

Answer:

x = 14

Step-by-step explanation:

10x - 33 + 4x + 17 = 180

14x - 16 = 180

14x = 196

x = 14

4 0

2 years ago