InterviewSolution
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InterviewSolution
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Sin60 Cos30+ sin30 cos60 Evaluate |
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Answer» 1 Sin 60 =root 3 upon 2 ,cos30=root 3upon 2 + sin 30=1upon 2 ,cos 60=1 upon 2 and solve it Sin(90-30) cos30+ sin30 cos(90-30). Cos30 cos30 +sin 30 sin30. Cos²30 + sin²30. =1 |
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