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OpenStudy (anonymous):
Help please sec (–270°)
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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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