Answer:
1.366
Explanation:
sin60 = 0.866
cos60 = 0.5
0.866 + 0.5 = 1.366
1.36602540378
sin 60 degrees = 0.86602540378
cos 60 degrees = 0.5
0.86602540378 + 0.5 = 1.36602540378
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