# What is the angle between #<5,0,-2 > # and #<-8,3,-6> #?

Reqd. Angle

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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 can the law of sines be used?
- A triangle has sides A, B, and C. Sides A and B have lengths of 2 and 3, respectively. The angle between A and C is #(13pi)/24# and the angle between B and C is # (3pi)/8#. What is the area of the triangle?
- If #A = <3 ,1 ,-1 >#, #B = <4 ,6 ,-1 ># and #C=A-B#, what is the angle between A and C?
- If sides A and B of a triangle have lengths of 12 and 2 respectively, and the angle between them is #(3pi)/8#, then what is the area of the triangle?
- How do you solve the #triangle HJK# given #h=18, j=10, k=23#?

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