Grade 12th passTrigonometry
sin(A+B+C)
sin(A+B+C)
2 Answers
noogler
SinACosBCosC+CosASinBCosC+CosACosBSinC-SinASinBSinC
apply formula Sin(A+B) twice
approve if useful
grenade
first of all club A and Band C as a second part
the solve it
similarly
open sin(a+b) and cos(a+b)
on solvin you will get the answer
SinACosBCosC+CosASinBCosC+CosACosBSinC-SinASinBSinC
approve if useful
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