Mark M. answered 01/19/19
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
Use sum formula
sin 225° = sin I180° + 45°)
Jimmy E.
asked 01/19/19Determining exact angles using compound angles
Mark M. answered 01/19/19
Mathematics Teacher - NCLB Highly Qualified
Use sum formula
sin 225° = sin I180° + 45°)
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