# How do you solve #sec(tan^-1x) = sqrt(1+x^2)#?

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i can prove #sin(cos^1x). But I am a little bit lost on how to prove this.

i can prove #sin(cos^1x). But I am a little bit lost on how to prove this.

Please go through 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.

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