Answer:
I think the answer is -1
Step-by-step explanation:
the sequence goes i, -i, 1, -1
Right? >_>
8.8 squared + 9.5 squared = square root 12.94 rounded 12.1
It is already in identity.
cos (x - y) - cos (x + y) = 2 sin(x) sin (y)
if you find a problem on answer respond me
Answer: $0.65
Step-by-step explanation:
Amount for the magazine in a regular newsstand for one year:
1.95*12=$23.4
Amount saved per issue with subscription:
(23.4-15.60) ÷ 12 = $0.65 per issue is saved with a subscription
