SOLUTION: Given a point (5,-5) on the terminal side of angle0, find the value of sin.

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Question 207935This question is from textbook College Math 1
: Given a point (5,-5) on the terminal side of angle0, find the value of sin. This question is from textbook College Math 1

Answer by HyperBrain(694) About Me  (Show Source):
You can put this solution on YOUR website!
Let x=angle
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Since the terminal side contains the point (5,-5), the terminal side has slope -5/5=-1 and so
tan x=-1
x=135 or 315 degrees
Since (5,-5) is at quad. II, then x=135 degrees.
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So,
sin x=sin 135=sin 45=sqrt%282%29%2F2