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sinasinb-cosacosb+1=0 then find sina+sinb=???????????????????????????????????????????????????

sinasinb-cosacosb+1=0 then find sina+sinb=???????????????????????????????????????????????????

Grade:12

1 Answers

Arpit Caberwaal
13 Points
one year ago
SinaSinb - CosaCosb + Sina^2 + Cosa^2 = 0
SinaSinb+ Sina^2 + Cosa^2= CosaCosb
Sina(Sinb+Sina+CotaCosa) = CosaCosb
Sinb+Sina= CotaCosb-CotaCosa
Sina+Sinb= Cota(Cosb-Cosa) 

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