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What is the reciprocal of cot θ?

What is the reciprocal of cot θ?

The reciprocal cosine function is secant: sec(theta)=1/cos(theta). The reciprocal sine function is cosecant, csc(theta)=1/sin(theta). The reciprocal tangent function is cotangent, expressed two ways: cot(theta)=1/tan(theta) or cot(theta)=cos(theta)/sin(theta).

What is the domain of sin?

Trigonometric Functions

Function Domain Range
f(x) = sin ( x ) (-∞ , + ∞) [-1 , 1]
f(x) = cos ( x ) (-∞ , + ∞) [-1 , 1]
f(x) = tan ( x ) All real numbers except π/2 + n*π (-in , + ∞)
f(x) = sec ( x ) All real numbers except π/2 + n*π (-∞ , -1] U [1 , + ∞)

Where is tan equal to 1?

Important Angles: 30°, 45° and 60°

Angle Tan=Sin/Cos
30° 1 √3 = √3 3
45° 1
60° √3

What is the range of y sin 1x?

The graph of y=sin(x) is like a wave that forever oscillates between -1 and 1, in a shape that repeats itself every 2π units. Specifically, this means that the domain of sin(x) is all real numbers, and the range is [-1,1]. See how we find the graph of y=sin(x) using the ​unit-circle definition of sin(x).

Is Arccos equal to 1 cos?

The arccos function is the inverse of the cosine function.

What is the period of tan2x?

The period of tan2x is 2π.

How do you find the period of a graph?

The period of the sine curve is the length of one cycle of the curve. The natural period of the sine curve is 2π. So, a coefficient of b=1 is equivalent to a period of 2π. To get the period of the sine curve for any coefficient b, just divide 2π by the coefficient b to get the new period of the curve.

What is the period of CSC?

Period and Amplitude of Basic Trig Functions

A B
Period of y=tan x π
Period of y=cot x π
Period of y=sec x
Period of y=csc x

Does sin repeat every 180?

Properties Of The Sine Graph sin θ = 0 when θ = 0˚, 180˚, 360˚. As the point P moves round the unit circle in either the clockwise or anticlockwise direction, the sine curve above repeats itself for every interval of 360˚. The interval over which the sine wave repeats itself is called the period.

How do you graph tangent?

To plot the parent graph of a tangent function f(x) = tan x where x represents the angle in radians, you start out by finding the vertical asymptotes. Those asymptotes give you some structure from which you can fill in the missing points. Find the vertical asymptotes so you can find the domain.

Can an amplitude be negative?

The amplitude or peak amplitude of a wave or vibration is a measure of deviation from its central value. Amplitudes are always positive numbers (for example: 3.5, 1, 120) and are never negative (for example: -3.5, -1, -120).

How often does a tan graph repeat?

every 180◦

What does a sine curve look like?

To graph the sine function, we mark the angle along the horizontal x axis, and for each angle, we put the sine of that angle on the vertical y-axis. The result, as seen above, is a smooth curve that varies from +1 to -1. Curves that follow this shape are called ‘sinusoidal’ after the name of the sine function.

Where is Tan undefined?

The tangent function, tan(x) is undefined when x = (π/2) + πk, where k is any integer.

What is the period of cos5x?

The period of sin 3x is 2π3.

What is the amplitude period and phase shift?

The Amplitude is the height from the center line to the peak (or to the trough). Or we can measure the height from highest to lowest points and divide that by 2. The Phase Shift is how far the function is shifted horizontally from the usual position.

What is the period of a wave?

The period of a wave is the time for a particle on a medium to make one complete vibrational cycle. Period, being a time, is measured in units of time such as seconds, hours, days or years. The period of orbit for the Earth around the Sun is approximately 365 days; it takes 365 days for the Earth to complete a cycle.

What is the amplitude of the function y sin 4x?

Explanation: The amplitude and period of y = a sin (bx + c ) are a and 2πb . Here, a = 1 and b = 4. This sine wave oscillates between the crests at y = 1 and the lowest points at y=−1 , periodically, with period π2 for one full wave.

How do you find the amplitude and period of a function?

Amplitude is the distance between the center line of the function and the top or bottom of the function, and the period is the distance between two peaks of the graph, or the distance it takes for the entire graph to repeat. Using this equation: Amplitude =APeriod =2πBHorizontal shift to the left =CVertical shift =D.

What is the period of a cos graph?

The period of a periodic function is the interval of x-values on which the cycle of the graph that’s repeated in both directions lies. Therefore, in the case of the basic cosine function, f(x) = cos(x), the period is 2π.

Is Arccos increasing or decreasing?

The arccosine function is always decreasing on its domain.

What is the period of tan?

The period of a tangent function, y=atan(bx) , is the distance between any two consecutive vertical asymptotes.

How do you find the period of a tangent graph?

Precalculus II

  1. The period of the tangent function is π because the graph repeats itself on intervals of kπ where k is a constant.
  2. tan(−x)=sin(−x)cos(−x)Definition of tangent.
  3. These points will help us draw our graph, but we need to determine how the graph behaves where it is undefined.

How do you find amplitude?

The Amplitude is the height from the center line to the peak (or to the trough). Or we can measure the height from highest to lowest points and divide that by 2.

What is COS 1 equal to?

When theta is 0, cos is 1. Cos is also 1 when theta is 2 pi. Since 2 pi is the period of the unit circle, when you go around a distance equal to the circumference, you end up in the same spot.

What is the period of a graph?

The period is the length of the smallest interval that contains exactly one copy of the repeating pattern. So the period of or is . Any part of the graph that shows this pattern over one period is called a cycle. For example, the graph of on the interval is one cycle.

Is tangent sin over COS?

Today we discuss the four other trigonometric functions: tangent, cotangent, secant, and cosecant. Each of these functions are derived in some way from sine and cosine. The tangent of x is defined to be its sine divided by its cosine: tan x = sin x cos x .

What is the amplitude and period of f/t 2.5 tan T?

amplitude: 2.5; period: 2π