Math, asked by Naveel2863, 1 year ago

SinA+SinB+SinC=3 find the value of CosA+CosB+CosC

Answers

Answered by SIDDHUTIME

Sinx has the maximum value 1.
SinA+SinB+SinC=3 is only possible when each sine value is one.
Therefore each cosine value becomes zero.So
CosA+CosB+CosC=0

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