\(\sin ( 690 ^ { \circ } ) = - \frac { 1 } { 2 } \)
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Hamilton Daniels
25/03/2020 · Primary School
Find the exact value of the sine function of the given angle.
\( 690 ^ { \circ } \)
\( \sin 690 ^ { \circ } = \)
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
\(\sin ( 690 ^ { \circ } ) = - \frac { 1 } { 2 } \)
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