Grade 12th passTrigonometry
if the value of sin1 + sin2 + sin3 = 3 then what will be the value of cos1+cos2+cos3= ?
if the value of sin1 + sin2 + sin3 = 3 then what will be the value of cos1+cos2+cos3= ?
1 Answer
Arun
Dear Aman
If sin x1 + sinx2 + sin x3 = 3
That means sin x1 = sinx2 = sin x3 = 1
Hence
x1 = x2 = x3 = 90°
Hence
Cos x1 + cos x2 + cos x3 = 0+0+0 = 0
Regards
Arun (askIITians forum expert)
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