cotangent cotangent functions are ratios of an odd function and and an even function then both the tangent and cota cotangent functions are odd functions (graph is
Nicotine is a potent parasympathomimetic alkaloid found in the nightshade family of plants. It acts as a nicotinic acetylcholine receptor agonist. It is made in the roots and accumulates in the leaves of the plants.
Nicotine is used to help people to stop smoking. For best results it should be used together with a behavioural support programme. It is an aid to smoking cessation, sometimes known as nicotine replacement therapy (NRT).