She needs 8 serving dishes because you can only make 8 one cup servings out of a half gallon of ice-cream.
Answer:
= 3 -1.202
Step-by-step explanation:
Answer:
sin²x
Step-by-step explanation:
we have
(1 − cos x)(1 + cos x)=1-cos²x
Remember that
sin²x+cos²x=1 ------> i-cos²x=sin²x
therefore
(1 − cos x)(1 + cos x)=sin²x
Answer: = -2x-16
Step-by-step explanation:



