Answer:
TRUE
Step-by-step explanation:
An even function is a function that satisfies that f(x) = f(-x). Also, we know that cosine is an even function, therefore cos(theta) equals cos(-theta).
Answer:
the answer is D: undefined becous it's lies at Y-axis
Check out Desmos.com graphing calculator if you need help with graphing
Answer:
Venn diagrams, De'moivres rule and probability
Step-by-step explanation:
10 is B
9 is C
11 isB
Hope this helped :)
