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Mathematics 17 Online
OpenStudy (anonymous):

Find the exact value of the expression: csc(cos^-1(7/25))

OpenStudy (campbell_st):

well csc is 1/sin so use the information for cos to draw a triangle |dw:1374093124285:dw| find x using pythagoras's theorem then find take the reciprocal of sin to get csc. hope this helps.

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