# How do you find the x intercept of a cosine function?

## How do you find the x intercept of a cosine function?

Properties of the Cosine Function, y=cos(x) . x -intercept : (nπ2,0) , where n is an integer. The maximum value of y=cos(x) occurs when x=2nπ , where n is an integer. The minimum value of y=cos(x) occurs when x=π+2nπ , where n is an integer.

### What is the cosine function used for in real life?

Sine and cosine functions can be used to model many real-life scenarios – radio waves, tides, musical tones, electrical currents.

#### What are the x intercepts of cosine?

The x-intercepts are locations on the coordinate plane where the y-value of the ordered pair is 0. The cosine function evaluates to 0 at the following values (nπ2,0) where n is odd integer.

**How do you find the x – intercept of a function?**

If you know the slope and the y-intercept of the function, you can calculate the x-intercept using the formula (y – b) / m = x, where m equals the slope, y equals zero, and b equals the y-intercept.

**How do you find the x intercept?**

Find the X intercept(s). Press the “2nd” key then the “Calc” key. This accesses the trace menu. Scroll down to “Zero” and press “Enter.”. Using the arrow keys, scroll to the left of the X intercept and press “Enter.”.

## How do you calculate x – intercept?

The x-intercept is written as (x, 0), because the y-coordinate is always zero at the x-intercept. If you know the slope and the y-intercept of the function, you can calculate the x-intercept using the formula (y – b) / m = x, where m equals the slope, y equals zero, and b equals the y-intercept.

### What is the equation for X and y intercept?

X-Intercept. A linear equation has the form y = mx + b, where M and B are constants. The x-intercept is the point where the line crosses the x-axis. By definition, the y-value of a linear equation when it crosses the x-axis will always be 0, since the x-axis is stationed at y = 0 on a graph. Consequently, to find a y-intercept,…