Given:
An angle θ on the unit circle has a sine of .
To find:
The value of cosθ.
Solution:
We have,
Since sinθ is positive, therefore, θ lies in first or second quadrant.
We know that,
Taking square root on both sides.
Therefore, the value of cosθ is either or .
Answer:
$252
Step-by-step explanation:
The price of the computer is $400
On saturday it is on sale for 30% off
30% of 400 or .3 x 400 = 120
400 - 120 = 280
Then, if she gets there before 9am there is an addition 10% off of the sale price (280)
So, 10% of 280 or .1 x 280 = 28
280 - 28 = 252
Hope this helps!
Answer:
Step-by-step explanation:
- I expanded the above brackets
- I separated the 1 from 4 to make 3+1
- I took out a factor of 3
= 1 more than a multiple of 3
Answer:
The answer is c
Step-by-step explanation:
you take 2 - 1 and divide by -3-0 and get -1/3 which is the slope