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Mathematics 23 Online
OpenStudy (anonymous):

sinӨ/1+sinӨ - sinӨ/1-sinӨ= a) secӨ cscӨ b)1+cotӨ c)-2tan^2 Ө d) sinӨ tanӨ

OpenStudy (anonymous):

c)-2tan^2

OpenStudy (anonymous):

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