Math, asked by aswanth285, 1 year ago

- If sin A + cos A = 1 then sin 2A =

Answers

Answered by monsterksm

1

Answer:

0

Step-by-step explanation:

$(sinA+cosA)^2 = sin^2A + cos^2A + 2sinAcosA = 1 + 2sinAcosA = 1\\So, 2sinAcosA = sin 2A = 0$ (double angle formula)

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