SOLUTION: (sinA+cosA)^2=1+2sinAcosA
Prove the above identity
Algebra.Com
Question 767320: (sinA+cosA)^2=1+2sinAcosA
Prove the above identity
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
^2\ =)
Use the Pythagorean Identity 
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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