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sin (a+b)=???

2006-11-19 11:12:30 · 2 answers · asked by jimmy f 1 in Science & Mathematics ➔ Mathematics

2 answers

=sin a * cos b + sin b * cos a

2006-11-19 11:15:47 · answer #1 · answered by Anonymous · 0⤊ 0⤋

It is a trigonometric identity that you ought to know:

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

2006-11-19 19:18:37 · answer #2 · answered by Damian_Anderson 2 · 0⤊ 0⤋

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