Answer:
60 units^2
Step-by-step explanation:
area of triangle=base*height/2=8*15/2=120/2=60 units^2
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:
for this you should use photomath all you do is take a picture of each problem and put the answer down