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.
Answer:
B
Step-by-step explanation:
In a function, every x-coordinate must be a different number.
If the same number appears more than once as an x-coordinate, it is not a function.
Answer: B
Answer:
.5
Step-by-step explanation:
because a pint is 2 cups so divide by 4 because you multiply that 2 by another 2 is 4 so once you do that its .5
Let x equal Thomas' age. Then Huilan's age is 2x. Set up an equation to model this situation:
x+2x=78
<em>*Combine like terms*</em>
3x=78
<em>*Divide both sides by 3*</em>
x=26
Hope this helps!!
137 because it’s the same as the angle given.
