Problem about Circle

2008-04-07 9:46 pm
The terminal ray of an angleθ in standard position passes through the point (-3,5). Find the sinθ.

Thank you.

回答 (1)

2008-04-08 12:53 am
✔ 最佳答案
The terminal ray of an angleθ in standard position passes through the point (-3,5). Find the sinθ.

We have x=-3 y=5

The length of the hypotenuse is √34

So sinθ= y/hypotenuse=5/√34


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