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JoshKPatterson
 2 years ago
Find the point on the terminal side of θ = (3pi/4) that has an x coordinate of 1. Show your work for full credit.
JoshKPatterson
 2 years ago
Find the point on the terminal side of θ = (3pi/4) that has an x coordinate of 1. Show your work for full credit.

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mathplane
 2 years ago
Best ResponseYou've already chosen the best response.0Great question... The best approach is to draw a picture...

mathplane
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1364161840915:dw

JoshKPatterson
 2 years ago
Best ResponseYou've already chosen the best response.0Alright, so I'm looking for the ycoordinate I assume?

NoelGreco
 2 years ago
Best ResponseYou've already chosen the best response.0That's positive 3pi/4

mathplane
 2 years ago
Best ResponseYou've already chosen the best response.0You're right... let's make it negative 3pi/4

mathplane
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1364162032750:dw

mathplane
 2 years ago
Best ResponseYou've already chosen the best response.0Since the angle is pi/4  or 45 degrees, we have a 454590 right triangle...

mathplane
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1364162159200:dw

mathplane
 2 years ago
Best ResponseYou've already chosen the best response.0So, from the graph, you can see the ycoordinate...

JoshKPatterson
 2 years ago
Best ResponseYou've already chosen the best response.0square root of 2

JoshKPatterson
 2 years ago
Best ResponseYou've already chosen the best response.0Oh wow nevermind it's 1
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