Answer:
cos(theta+2π) and -cos(-theta)
Step-by-step explanation:
theta plus 2π have the same cosine output as theta on a graph.
the negative cosine of negative theta is equal to the positive cosine of positive theta.
If these are the only choice then it is option 2. There should be another option since it is khan academy.
Two lines are guaranteed to be coplanar if they: Lie in the same plane. Lie on the same line (are collinear) and Lie in the same plane. ... Collinear points are two or more points that lie on the same ____.
Is it in inches or centimeters?
Answer:
Step-by-step explanation:
<u>Let the number be x</u>
- 380% of x is 99
- x*3.8 = 99
- x = 99/3.8
- x = 26 rounded to the nearest whole number