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Mathematics 14 Online
OpenStudy (maddielb):

Simplify (1-cosx)(1+cosx)/(1-sinx)(1+sinx)

OpenStudy (campbell_st):

the numerator and denominator are both the difference of 2 squares.. when distributed... does that help

OpenStudy (triciaal):

|dw:1466120984990:dw|

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