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 °) = V3cos(-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( ) = DNEcot(-930°) = cot(°) =V3

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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 ) = cos(-630°) = cos( ) =0 sin(1080°) sin( 0 ) =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