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Mathematics 17 Online
OpenStudy (jf6626):

The point (3, -4) is on the terminal side of an angle theta. What is cos theta?

OpenStudy (jf6626):

can anyone please help

TheSmartOne (thesmartone):

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OpenStudy (jf6626):

so its -3/4

TheSmartOne (thesmartone):

cos is adjacent over hypotenuse. You need to find the hypotenuse first

OpenStudy (jf6626):

here are the answers a. -3/5 b. 3/5 c. -3/4 d. 3/4 e. 3

TheSmartOne (thesmartone):

yes, can you find the hypotenuse of the right triangle?

OpenStudy (jf6626):

no not exactly

TheSmartOne (thesmartone):

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OpenStudy (jf6626):

okay

TheSmartOne (thesmartone):

What did you get?

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