Trigonometric functions have distinct cycles, or "phases"; think of first period of the basic sine wave. A phase shift means nothing more than shifting a given trig function to the left or right, so that the cycle starts at a non-regular point; in other words, that the graph has been ...
What is the formula to find amplitude? Amplitude is half of the difference between the max and min values of a periodic function. Therefore, amplitude = (max - min)/2. How do you find the amplitude of a trig graph? To find the amplitude of a trig graph, first, determine the max and...
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In trigonometry, the period of a function refers to the distance of a function's wave. Learn how to find the period of a trig function by exploring...
And that's all there is to it! For further study with transformations of a functions with regards to trigonometric functions, see our lessons ontransformations of trig graphsandhow to find trigonometric functionsby graphs.
Table of Values x y = -x2 + 4x – 1 y y = -(1)2 + 4(1) – 1 Choose two values of x that are to the right or left of the x-coordinate of the vertex. Substitute those values in the equation and solve for y. Graph the points. (Keep in mind the value of a as this wi...
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When expressed on a graph, some functions are continuous from negative infinity to positive infinity. However, this is not always the case: other functions break off at a point of discontinuity, or turn off and never make it past a certain point on the graph. Vertical and horizontal asymptote...
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When expressed on a graph, some functions are continuous from negative infinity to positive infinity. However, this is not always the case: other functions break off at a point of discontinuity, or turn off and never make it past a certain point on the graph. Vertical and horizontal asymptote...