if SinA+SinB=2;then the value of CosA+CosB.
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SinA + SinB = 2
It means A and B are 90 because sin90 = 1
sin A = 1/Cos A and Sin b = 1/cos B according to trignomatry
1/Cos A + 1/ Cos B = 2
Cos A + Cos B = 2 x Cos A Cos B
Cos A + Cos B = 2 x Cos 90 x Cos 90 = 0 Answer
@skb
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