Basic features
Parity odd
Domain (−∞, +∞) a
Codomain [−1, 1] a
Period 2π

Specific values
At zero 0
Maxima (2kπ + π/2, 1)b
Minima (2kπ − π/2, −1)

Specific features
Root kπ
Critical point kπ + π/2
Inflection point kπ
Fixed point 0

Ez

My Grandfather smoked his whole life. I was about 7 years old when my mother said to him, 'If you ever want to see your grandchildren graduate, you have to stop immediately.'. Tears welled up in his eyes when he realized what exactly was at stake. He gave it up immediately. Three years later he died of lung cancer. It was really sad and destroyed me. My mother said to me- 'Don't ever smoke. Please don't put your family through what your Grandfather put us through." I agreed. At 28, I have never touched a cigarette. I must say, I feel a very strong sense of regret for never having done it, because your aim in CS:GO gave me cancer anyway.

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