Math, asked by wwwnandithanandu005, 1 month ago

if SinA+CosA =3. Then SinA×Cos A

Answers

Answered by NITESH761

0

Answer:

1

Step-by-step explanation:

square on both sides

(sinA+cosA)²=3²

sin²A+cos²A+2sinA×cosA=3

1+2sinA×cosA=3

sinA×cosA=2/2

=1

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