In the triagle, sinA = opposite/hyp = 9/41
CosC= adjacent/hyp = 9/41
SinA = CosC = 9/41
Also:
CosA = adjacent/hyp = 40/41
SinC= opposite/hyp = 40/41
CosA = SinC = 40/41
1.6m questions
2.0m answers