Answer:
Option 2
Step-by-step explanation:
Since theta is in the third quadrant, the sine of theta is negative.
By the Pythagorean identity,

So, using the double angle formula for sine, we get that

How tall are my class mates i think
Answer:
Solution is (2, -1)
Step-by-step explanation:
The lines cross at the point where x = 2 and y = -1.
The answer is $7.00 because 56.00/8=7.00.
Hope that helps.
Answer:
11.5 tanks of gas
Step-by-step explanation:
23/2
11.5