Math, asked by Jashanmankoo911, 8 months ago

If SinA + CosA = 1 , Evalute : Sin 2A

Answers

Answered by DK82

1

Answer:

2cosA-2cos^A

Step-by-step explanation:

Sin 2A=2sinAcosA

=2(1-cosA)cosA

=(2-2cosA)cosA

=2cosA-2cos^A

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