The value of sinA+sinB+sinC+sinD can't be (a) 3 (b) 4 (c) 5 (d) -3
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i think 'c' is the answer
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since the value of SinA is Maximum 1.
SinA= 1
SinB= 1
Sinc =1
Sind= 1
adding all
SinA+SinB+SinC+SinD= 1+1+1+1=4
so it can't be never greater than 4
SinA= 1
SinB= 1
Sinc =1
Sind= 1
adding all
SinA+SinB+SinC+SinD= 1+1+1+1=4
so it can't be never greater than 4
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