Write the value of sin10+sin20+sin30+....+sin360., Mathematics




hence all terms cancel and


Posted Date: 3/8/2013 7:27:51 AM | Location : United States

sin(10+36x5)sin(37x5)/ sin5



eq 1 is a formula

sin(a)+sin(a+b)+sin(a+2b)............sin(a+(n-1)b) = sin(a+(n-1)b/2)sin(nb/2)/ sin(b/2)

Posted by | Posted Date: 3/8/2013 7:28:28 AM

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