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\operatorname { sin } 38 ^ { \circ } \operatorname { cos } 22 ^ { \circ } + \operatorname { cos } 38 ^ { \circ } \operatorname { sin } 22 ^ { \circ } = \frac { \sqrt { 3 } } { 2 } |
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Answer» SinAcosB + cosAsinB = sin(A+B)Using this LHS = Sin(60) = RHS. |
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