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OpenStudy (anonymous):
Help please! If sin Θ = 2 over 7 and tan Θ > 0, what is the value of cos Θ? 3 square root of 5 over 7 negative 3 square root of 5 over 7 3 square root of 5 negative 3 square root of 5
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OpenStudy (anonymous):
is there a picture that go with this problem?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
ok... with the given conditions then, you can do this by elimination... notice you can eliminate the second and fourth choices... why?
OpenStudy (anonymous):
whats the answer?
OpenStudy (anonymous):
i need you to understand this problem so i can't just give you the answer... what do you think the answer is?
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OpenStudy (anonymous):
is it c?
OpenStudy (anonymous):
maybe or maybe not.... why is it c?
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