OpenStudy (anonymous):

Which pair of angles has congruent values for the sin x° and the cos y°?

3 years ago
OpenStudy (anonymous):

70°; 160° 2) 70°; 70 3) 70°; 120° 4) 70°; 20°

3 years ago
OpenStudy (midhun.madhu1987):

sin (90 - x ) = cos x cos (90 - x ) = sin x

3 years ago
OpenStudy (midhun.madhu1987):

can u guess now?

3 years ago
OpenStudy (anonymous):

number 4

3 years ago
OpenStudy (midhun.madhu1987):

yes... u r correct.. :)

3 years ago