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OpenStudy (jf6626):
The point (3, -4) is on the terminal side of an angle theta. What is cos theta?
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OpenStudy (jf6626):
can anyone please help
TheSmartOne (thesmartone):
|dw:1467051995099:dw|
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
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TheSmartOne (thesmartone):
yes, can you find the hypotenuse of the right triangle?
OpenStudy (jf6626):
no not exactly
TheSmartOne (thesmartone):
|dw:1467052292375:dw|
OpenStudy (jf6626):
okay
TheSmartOne (thesmartone):
What did you get?
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