Math, asked by lokeshsingh92050, 10 months ago

cos²A-Sin²A us equal to 2cos²A-1

Answers

Answered by Mukundladani

2

Answer:

mark it as brainlist answer

Step-by-step explanation:

cos^2A - sin^2A

=cos^2A-(1-cos^2A)

=2Cos^2A-1

Answered by minnumunna222

2

Step-by-step explanation:

pls spprt

Thank u....

....

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