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OpenStudy (anonymous):
Find sin theta if cot theta = -2 and cos theta < 0.
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OpenStudy (anonymous):
I got 1.11 but the closest answer choice is sqrt5/2...
OpenStudy (rajee_sam):
it is not right
OpenStudy (rajee_sam):
sin theta varies from -1 to 1
OpenStudy (rajee_sam):
I got .447
OpenStudy (anonymous):
Oh, I see. Thank you for taking the time to visit my question again.
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OpenStudy (rajee_sam):
just to check your answer, you say sin theta = 1.11 so sin inv of 1.11 should give you theta right? it gives me invalid input if I put in the calculator.
OpenStudy (rajee_sam):
is .447 one of the choices?
OpenStudy (anonymous):
Yup, you're right, because .447 would be the same as sqrt5/5 which matches one of my answer choices
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