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Mathematics 21 Online
OpenStudy (anonymous):

For an angle Θ with the point (16, −30) on its terminating side, what is the value of cosine? 16 −30 negative 15 over 17 8 over 17

OpenStudy (anonymous):

Yu need to determine the hypotenuse. |dw:1401656416379:dw|

OpenStudy (anonymous):

can i have a clue

OpenStudy (anonymous):

|dw:1401657894523:dw|

OpenStudy (anonymous):

Do you know the Pythagorean Formula?

OpenStudy (anonymous):

is it 16?

OpenStudy (anonymous):

Pythagorean Formula where c is the hypotenuse. You need to solve for c. \[a ^{2}+b ^{2}=c ^{2}\]

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