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Mathematics 17 Online
OpenStudy (anonymous):

If the point (3/5 , 4/5) corresponds to an angle 0(with the line through it) in the unit circle, what is tan 0(with the line through it) ? a. 4/3 b. 3/4 c. 5/4 d. 5/3

OpenStudy (kc_kennylau):

You mean θ? 0 is very confusing

OpenStudy (anonymous):

lol yes idk how to do that on here

OpenStudy (kc_kennylau):

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OpenStudy (kc_kennylau):

Well what's the definition of tangent?

OpenStudy (anonymous):

im not sure its in a journal at my moms

OpenStudy (kc_kennylau):

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OpenStudy (kc_kennylau):

You have to memorize the definitions for sine, cosine and tangent by heart

OpenStudy (anonymous):

im not that bright i need help

OpenStudy (kc_kennylau):

Tangent is defined to be the ratio of the side opposite to the angle in question and the side between the angle in question and the right angle.

OpenStudy (kc_kennylau):

In this case it'd be 4/5 divided by 3/5

OpenStudy (anonymous):

4/3 thankyou

OpenStudy (kc_kennylau):

No problem; you have to memorize the definitions for sine, cosine and tangent by heart

OpenStudy (anonymous):

ok and how do you put the circle thing with the line in it?

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