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\frac \operatorname cos 30 ^ \circ %2B \operatorname sin 60 ^ \circ 1 %2B \operatorname cos 60 ^ \circ %2B \operatorname sin 30 ^ \circ = \frac \sqrt 3 2 |
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Answer» cos 30 + sin 60 /(1 + cos 60 + sin 30) = sqrt(3)/2 + sqrt(3)/2/ (1 + 1/2 + 1/2) = 2sqrt(3)/2 / (1 + 1) = sqrt(3)/2 |
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