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Mathematics 7 Online
OpenStudy (anonymous):

Help please sec (–270°)

OpenStudy (anonymous):

is its asnwer 1.01

OpenStudy (anonymous):

my calculator is not cooperating

OpenStudy (anonymous):

sec (-270) = 1/cos(-270) cos(-270) = 0 Answer = infinity

OpenStudy (anonymous):

Cos 270 =0 and Sec 270=1/0 Answer will be Undefined

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