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Sin 30. Cos 45 + Sin 45. Cos 30 |
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Answer» Step-by-step EXPLANATION: cos 45 = 1/√2 sin 45=1/√2 cos 30=√3/2 1/2. 1/√2 + 1/√2 . √3/2 = (1+√3)/2√2 |
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