Grade 11Trigonometry
If sinA\ 4 = sinB\5=sinC\6 then find cosA +cosB +cosC
1 Answer
X
Let we take first ,SinA/4=sinB/5 then by cross multiply , we getSinA/sinB=4/5 This say that ratio is this then our value is SinA=4xandSinV=5x and similarly on other side we get SinB=5x andSinC=6x and x can be any integer
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