gt-2sin-5pi-12-sin-pi-12-slove-this-

Question Number 36821 by Ajayraj1995 last updated on 06/Jun/18

> . 2 s i n \frac{5 π}{12} s i n \frac{π}{12} s l o v e t h i s . ?

Commented by maxmathsup by imad last updated on 06/Jun/18

= 2 s i n (\frac{π}{2} - \frac{π}{12}) s i n (\frac{π}{12}) = 2 c o s (\frac{π}{12}) s i n (\frac{π}{12}) = s i n (\frac{π}{6}) = \frac{1}{2} .

Answered by tanmay.chaudhury50@gmail.com last updated on 06/Jun/18

= c o s (\frac{4 Π}{12}) - c o s (\frac{6 Π}{12})

= c o s (\frac{Π}{3}) - c o s (\frac{Π}{2})

= \frac{1}{2}

Answered by Rio Mike last updated on 06/Jun/18

0.5

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