Prove that (Sin45+cos45)^=2
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Step-by-step explanation:
LHS:
sin45=cos45=1/sq.root(2)
Therefore (sin45+cos45)^2=[1/sq.root(2)+1/sq.root(2)]^2
=[2/sq.root(2)]^2
=4/2
=2
=RHS
Hence proved.
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