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 dependence â also called tobacco dependence â is an addiction to tobacco products caused by the drug nicotine. Nicotine dependence means you can't stop using the substance, even though it's causing you harm. Nicotine produces physical and mood-altering effects in your brain that are temporarily pleasing.