what is the formula of sin (a+b) where a & b equal to alpha & beta repectively.?

9 ⤊

2007-11-27 03:16:57 · 5 answers · asked by aki 2 in Science & Mathematics ➔ Mathematics

sin(a + b) = sina cosb + cosa sinb.

Hope this helps, Twiggy

2007-11-27 03:25:21 · answer #1 · answered by Twiggy 7 · 2⤊ 1⤋

sin (a + b) = sin a cos b + cos a sin b

2007-11-27 03:26:01 · answer #2 · answered by Paul P 3 · 1⤊ 1⤋

sin (Î± + Î²)
sin Î± cos Î² + cos Î± sin Î²

2007-11-27 03:25:33 · answer #3 · answered by Como 7 · 5⤊ 1⤋

sin (Î± + Î²) = sin Î± cos Î² + cos Î± sin Î²

2007-11-27 03:47:09 · answer #4 · answered by Deepthi N 1 · 0⤊ 2⤋

sin(a+b)=sin(a)cos(b)+cos(a)sin(b)
Replace a=alpha and b=beta

2007-11-27 03:26:13 · answer #5 · answered by cidyah 7 · 1⤊ 2⤋