Given #sin30^circ=1/2# and #tan30^circ=sqrt3/3#, how do you find #csc30^circ#?
2
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To find ( \csc(30^\circ) ), use the reciprocal identity: ( \csc(\theta) = \frac{1}{\sin(\theta)} ). Thus, ( \csc(30^\circ) = \frac{1}{\sin(30^\circ)} ). Since ( \sin(30^\circ) = \frac{1}{2} ), ( \csc(30^\circ) = \frac{1}{\frac{1}{2}} = 2 ). Therefore, ( \csc(30^\circ) = 2 ).
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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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