根号2sinπ/32*cosπ/32*cosπ/16*cosπ/18 怎么化简

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根号2sinπ/32*cosπ/32*cosπ/16*cosπ/18 怎么化简

最后是π/8吧
2sinπ/32*cosπ/32*cosπ/16*cosπ/8
=sinπ/16*cosπ/16*cosπ/8
=(1/2)sinπ/8cosπ/8
=(1/4)sinπ/4
=(√2)/8