can anybody let me know and understand why sin 75 deg. be equal this = (sq. rt of 6 + sq rt of 2)/4
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Hello, rcs! You are expected to know this identity: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MILLIONS OF THANKS to Soroban you are a real genius with no hesitations ... thanks a lot soroban.
Last edited by skeeter; September 15th 2012 at 04:54 PM. Reason: removed negative comments
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