Math, asked by affu15, 1 year ago

what is the answer for cos 2A=?

Answers

Answered by sujaymishra

2

co2A= 1. cos^2A-sin^2A
2.2cos^2A-1
3.1-2sin^2A

jagmohan3: 2cosA*-1=1-2sinA*=cosA*-SinA*=1-tanA*/1+tanA* .*=2

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