Math, asked by MrBrainlyBrilliant, 7 months ago

Sin a + cos a = √2 then sin a × cos a = ?

Answers

Answered by AztecBlackBeast

Answer:

1/2

Step-by-step explanation:

First, lets square the given equation.

[sina +cosa]^2 =2

sin^2A + cos^2A + 2sinAcosA =2

1 +2sinAcosA=2 [sin^2A+cos^2A=1]

2sinAcosA=2-1

sinA*cosA=1/2

Answered by aviguru111

Answer:

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Sin a + cos a = √2 then sin a × cos a = ?