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if sinA+cosA=√3 then Find the value …

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if sinA+cosA=√3 then Find the value of SinA.CosA
  • 2 answers

Rupshree Singh 10 months, 4 weeks ago

By squaring both side SinA.CosA=1

Ishika Chouhan 10 months, 4 weeks ago

Square both side (SinA cosA)²= (√3)² Sin²A + cos²A + 2sinA.cosA = 3 We know that - Sin²A + Cos²A =1 So, 1+ 2sinA.cosA =3 2sinA.cosA = 3-1 2sinA.cosA =2 SinA.CosA = 2/2 SinA.CosA=1
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