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Mathematics 13 Online
OpenStudy (anonymous):

Solve tant t = 1 ?

OpenStudy (anonymous):

t= pi/4 nd 5pi/4

OpenStudy (anonymous):

but ow to do it

OpenStudy (anonymous):

what is tan? tan is sin/cos, which is equivalent to the x-coordinate divided by the y-coordinate of a point on the unit circle. You can think of it as the slope of the line between the origin and the point on the unit circle with the specified degree measure.

OpenStudy (anonymous):

so let's graph the unit circle and a line through the origin whose slope is 1

OpenStudy (anonymous):

|dw:1385686756427:dw|

OpenStudy (anonymous):

|dw:1385686809691:dw| what are the angles on the unit circle represented by these two points?

OpenStudy (anonymous):

that's how you get the answer

OpenStudy (anonymous):

btw, you deserve a medal because you wanted to know why, you didn't just take the answer like most people on here would.

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