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vera_ewing
 one year ago
Math question
vera_ewing
 one year ago
Math question

This Question is Closed

amoodarya
 one year ago
Best ResponseYou've already chosen the best response.0\[\sqrt{1\sin^2 (\theta)}=\pm \cos (\theta)\\if =\cos (\theta)\\cos(\theta) \geq 0\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0of course you are this question is ill posed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0someone who is deficient in the logic department wrote it this one goes right in to the "bad math" pile. what is true is that \[\sqrt{1\sin^2(x)}=\cos(x)\] if \(\cos(x)\geq 0\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0cosine is positive in quadrant 1 and 4

amoodarya
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436191878523:dw

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.0Oh right, I keep thinking Quadrant 3 is positive. So the answer is B?
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