# Pre Cal

the function y= tan (x/3) has an x intercept at?

1. 👍 0
2. 👎 0
3. 👁 105
1. tan(x/3) = 0
x/3 = 0 or x/3 = ±180° or x/3 = ±360° or .....
x = 0 , ±540° , ±1080° ....

or

x = 0, ±3π, ±6π ...

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Pre-Cal

Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. (tan(74°)-tan(14°))/(1+tan(74°)tan(14°)) =__________ Find it's exact value (not decimal form) =__________ Note: A

asked by Amber on July 7, 2016
2. ### Rational Functions

Write an equation for a rational function whose graph has the following properties: x-intercept of 3 y-intercept of -3 vertical asymptote of x=-2 horizontal asymptote of y=2

asked by Rebecca on October 6, 2014
3. ### Algebra

The table below represents the function f(x). (-6, 12),(-5,-8),(-4,-4), (-3,0),(-2,4),(-1,8),(0,12). If g(x) is a linear function that has a slope of -3 and a y-intercept of -9, which statement is true? A) The x-intercept of f(x)

asked by David on May 21, 2014
4. ### MATH HELP

When the function f(x) = 4(2)^x is changed to f(x) = 4(2)^x − 13, what is the effect? There is no change to the graph because the exponential portion of the function remains the same. The x-intercept is 13 spaces higher. The

asked by Oscar on December 17, 2015
5. ### Trigonometry

Find the exact value of tan(a-b) sin a = 4/5, -3pi/2

asked by Dee on November 8, 2010
1. ### Algebra

Graph y=5^x and y=log_5 x on a sheet of paper using the same set of axes. Use the graph to describe the domain and range of each function. Then identify the y-intercept of each function and any asymptotes of each function. So far

asked by Mitch n' Joey on December 7, 2017
2. ### pre cal

Find a possible formula for the function graphed below. Assume the function has only one x-intercept at the origin, and the point marked on the graph below is located at (2,12). The asymptotes are x=−2 and x=1. Give your formula

asked by tor on July 28, 2016
3. ### Trig - tan 15° using composite argument?

tan 15° tan (45°-30°) (tan 45° - tan 30°)/1+ tan 45°tan30° (1-√3/3)/(1+1√3/3) then i donnt what to do/ chancel out. Can someone finish it if i didn't get it wrong. thanks in advance

asked by Anonymous on November 12, 2008
4. ### algebra

A frog jumps from a log to the ground below. It’s height, h, in centimeters as a function of time, t, in seconds, can be modeled by h(t) = -490t^2 + 75t + 12 what is the h intercept and the t intercept? and what is the domain

asked by anonymous on August 31, 2018
5. ### Mathematics

Determine the equation of a quadratic function that satisfies each set of conditions. a) x-intercepts 1 and -1, y-intercept 3 b) x-intercept 3, and passing through the point (1, -2) c) x-intercepts -1/2 and 2, y-intercept 4 Please

asked by Julio on September 7, 2008
6. ### Math- Precalculus

Write the expression as the sine, cosine, tangent of an angle (in radians.) (tan(pi/5)-tan(pi/3))/(1+tan(pi/5)tan(pi/3))