OpenStudy (anonymous):

Given that tanA= (squareroot 7)/4 and angle A is in quadrant 3. find cscA?

4 years ago
OpenStudy (anonymous):

Tangent is sin/cos so that makes sin = sqrt 7 csc is 1/sin so 1/sqrt 7 is csc but this must be rationalized properly into sqrt 7 /7

4 years ago
OpenStudy (anonymous):

okay!

4 years ago
OpenStudy (anonymous):

would the final answer be \[\sqrt{23} / 7\]

4 years ago
OpenStudy (anonymous):

no, it is sqrt 7 /7

4 years ago
OpenStudy (anonymous):

|dw:1380227578709:dw|

4 years ago