Sin 30. Cos 45 + Sin 45. Cos 30
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Step-by-step explanation:
sin 30 = 1/2
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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