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Mathematics 7 Online
OpenStudy (anonymous):

suppose there is an angle in standard position, Ө. it is stated that cosӨ= -4/5 and that tanӨ is positive. find the value of sinӨ

OpenStudy (anonymous):

|dw:1336943698164:dw| cos Q is in the second area sin here is positive so sinQ is 3/5

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