Use periodicity to first rewrite each expression as the same trigonometric function of an angle in [0°, 360°). Then use that angle to determine the exact value from the unit circle. If undefined,...

Extracted text: Use periodicity to first rewrite each expression as the same trigonometric function of an angle in [0°, 360°). Then use that angle to determine the exact value from the unit circle. If undefined, write DNE. sin(480°) = sin( 120 °) = V3 cos(-630°) = cos( sin(1080°) = sin( 0 ): csc(1020°) csc( Use periodicity to first rewrite each expression as the same trigonometric function of an angle in [0°, 180°). Then use that angle to determine the exact value from the unit circle. If undefined, write DNE. cot(540°) = cot( ) = DNE cot(-930°) = cot( °) = V3