How do you verify the identity #cot^2thetacsc^2theta-cot^2theta=cot^4theta#?
Caroline AdamsSee the Explanation.
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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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- How do you prove #\frac { \cos A + \sin A } { \cos A - \sin A } = \tan ( 45^ { \circ } + A )#?
- How do you prove the identity #1 / (1- cosx) + 1/ (1+ cosx) = 2 csc^2x#?
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