A cactus (plural: cacti, cactuses, or cactus) is a member of the plant family Cactaceae,[Note 1] a family comprising about 127 genera with some 1750 known species of the order Caryophyllales.
'cot' and 'crib' In British English, a cot is a bed for a baby. A cot has high sides to prevent the baby from falling out. In American English, a bed like this is called a crib.
the secant function is the reciprocal of the cosine function the abbreviation of secant is sec the cosecant function is the reciprocal of the sine function the abbreviation of cosecant is csc or cosecthe cotangent function is the reciprocal of the tangent function the abbreviation of cotangent is cotexample given that and that Î¸ is acute find without using a calculator the value of a sec Î¸ b cot Î¸ solution theta is in the first quadrant we can use pythagoras theorem to get the third sidepposite sides adjacent sides and hypotenuse of a right triangle definition of cos sin tan csc sec cot you can use the mathway widget below to practice trigonometry or other math topics try the given examples or type in your own problem