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vera_ewing
 one year ago
Math question
vera_ewing
 one year ago
Math question

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freckles
 one year ago
Best ResponseYou've already chosen the best response.1you can use unit circle

freckles
 one year ago
Best ResponseYou've already chosen the best response.13pi/4 is in what quadrant?

freckles
 one year ago
Best ResponseYou've already chosen the best response.1hint: 3/4 is between 1/2 and 1

freckles
 one year ago
Best ResponseYou've already chosen the best response.1so 3pi/4 is between pi/2 and pi

freckles
 one year ago
Best ResponseYou've already chosen the best response.1so notice the signs of both cos and sin there

freckles
 one year ago
Best ResponseYou've already chosen the best response.1cos is the xcoordinates sin is the ycoordinates what is the sign of the xcoordinates in that quadrant?

freckles
 one year ago
Best ResponseYou've already chosen the best response.1the answer choices I'm looking for: positive (+) or negative ()

freckles
 one year ago
Best ResponseYou've already chosen the best response.1is the xcoordinates in the 2nd quadrant positive or negative?

freckles
 one year ago
Best ResponseYou've already chosen the best response.1hmmm... maybe you aren't there I will ask a summary of what I want to ask: is the ycoordinates in the 2nd quadrant positive or negative? is the xcoordinates in the 2nd quadrant positive or negative? now tan(theta)=y/x, so in the 2nd quadrant tan is positive or negative?
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