Using the identity :
Cos (2a) = 1-2 Sin^2(a)
Therefore :<span>1−2 sin ^2 (22.5∘) = Cos(2a)
= Cos (2 * 22.5) = Cos 45</span>
Answer:
(-1,4)
Step-by-step explanation:
Reflection Rule for over the y axis: A(x,y) A'(-x,y)
Hope this helps!
Answer:
44
Step-by-step explanation:
there you goooooo oooooooooooooooooo
Answer:
2.24
Step-by-step explanation:
