How do you graph #y=sec(x-pi/4)#?
As below.
graph{sec(x - pi/4) [-10, 10, -5, 5]}
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To graph ( y = \sec(x - \frac{\pi}{4}) ), follow these steps:
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Identify the key features:
- The parent function of secant is ( y = \sec(x) ).
- Shifting ( \frac{\pi}{4} ) units to the right from the origin will shift the graph of ( \sec(x) ) horizontally.
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Plot the asymptotes:
- The graph of ( \sec(x) ) has vertical asymptotes where ( \cos(x) = 0 ).
- The vertical asymptotes occur at ( x = \frac{\pi}{2} + k\pi ) for integer values of ( k ).
- Since ( \sec(x - \frac{\pi}{4}) ) is shifted ( \frac{\pi}{4} ) units to the right, the vertical asymptotes will occur at ( x = \frac{\pi}{2} + \frac{\pi}{4} + k\pi ) for integer values of ( k ).
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Determine the behavior around the asymptotes:
- As ( x ) approaches a vertical asymptote, ( \sec(x) ) approaches positive or negative infinity depending on the sign of ( \cos(x) ).
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Plot additional points and sketch the graph:
- Choose values of ( x ) to evaluate ( y = \sec(x - \frac{\pi}{4}) ).
- Plot these points and connect them smoothly, considering the behavior around the asymptotes.
By following these steps, you can accurately graph the function ( y = \sec(x - \frac{\pi}{4}) ).
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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