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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- Sep 15th 2012, 10:28 AMrcsexact value of sin 75^0
can anybody let me know and understand why sin 75 deg. be equal this = (sq. rt of 6 + sq rt of 2)/4

- Sep 15th 2012, 11:14 AMSorobanRe: exact value of sin 75^0
Hello, rcs!

You are expected to know this identity:

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Quote:

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. . . . . . - Sep 15th 2012, 05:25 PMrcsRe: exact value of sin 75^0
MILLIONS OF THANKS to Soroban you are a real genius with no hesitations ... thanks a lot soroban.