cotx =
cosx/sinx or 1/tanx
To provide a detailed answer, we first need to understand what cotangent is. Cotangent, also known as cot, is a trigonometric function that represents the ratio of the adjacent side to the opposite side in a right triangle. It is defined as the reciprocal of the tangent function:
cot(x) = 1/tan(x)
where x is an angle in radians.
So, if we are given the expression cot(x), we can use this definition to find its value. For example:
cot(π/4) = 1/tan(π/4)
Since tan(π/4) = 1, we have:
cot(π/4) = 1/1
cot(π/4) = 1
Therefore, the value of cot(π/4) is 1.
Similarly, we can find the value of cot for any given angle by using the definition and evaluating the tangent function for that angle.
It is important to remember that the cotangent function is undefined at certain values of x, such as π/2 + nπ, where n is an integer, because in this case, the tangent function would be equal to zero, which would result in a division by zero error. In such cases, we say that the cotangent function is undefined.
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