What is the period of #f(theta)= sin 7 t - cos 5 t #?
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To find the period of ( f(\theta) = \sin(7t) - \cos(5t) ), first identify the periods of the component functions. The period of ( \sin(7t) ) is ( \frac{2\pi}{7} ), and the period of ( \cos(5t) ) is ( \frac{2\pi}{5} ).
The period of the combined function ( f(\theta) ) is the least common multiple (LCM) of the periods of the component functions.
The LCM of ( \frac{2\pi}{7} ) and ( \frac{2\pi}{5} ) is ( \frac{2\pi}{\text{LCM}(7, 5)} ).
The least common multiple of 7 and 5 is 35. Therefore, the period of ( f(\theta) ) is ( \frac{2\pi}{35} ).
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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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