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Which of the following is equal to
sin ( − θ ) ? \sin ( - \theta) ? sin(−θ)?
sec ( − θ ) ? \sec ( - \theta) ? sec(−θ)?
cot ( − θ ) ? \cot ( - \theta) ? cot(−θ)?
csc ( − θ ) ? \csc ( - \theta) ? csc(−θ)?
tan ( − θ ) ? \tan ( - \theta) ? tan(−θ)?
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