İfade 1: arc sine left parenthesis, cos left parenthesis, "x" , right parenthesis , right parenthesis minus arc sine left parenthesis, cos left parenthesis, "y" plus StartFraction, pi Over 2 , EndFraction , right parenthesis , right parenthesis equals StartFraction, pi Over 2 , EndFractionarcsincosx−arcsincosy+π2=π2
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İfade 2: sine to the negative 1st power left parenthesis, sin left parenthesis, "y" , right parenthesis , right parenthesis equals cosine to the negative 1st power left parenthesis, cos left parenthesis, "x" , right parenthesis , right parenthesissin−1siny=cos−1cosx
