# What does #sin(arc cot(5))+5sin(arc tan(2))# equal?

The trick is to evaluate

breaking down the problem and solving each part separately.

Let us start with evaluating

Let

Then

If I have to show that in a right triangle.

The hypotenuse would be

Hypotenuse

Rationalizing the denominator we get

Remember

Now let us work on the second part.

Let us put that in a right triangle.

Now to find the hypotenuse

Hypotenuse

Hypotenuse

Rationalizing the denominator

Remember

Now the final steps

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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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