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Page 1: pehs.psd202.orgpehs.psd202.org/documents/tfrey/1579100809.pdf · Use a half angle identity to determine the exact value of the following angles: =cos 3. cos(157.50) 4. sin(1050) l*-c033t5
Page 2: pehs.psd202.orgpehs.psd202.org/documents/tfrey/1579100809.pdf · Use a half angle identity to determine the exact value of the following angles: =cos 3. cos(157.50) 4. sin(1050) l*-c033t5