Math, asked by RahulTG412, 8 months ago

TanA=2/3then the value of cos2A is

Answers

Answered by Sadiq0728

0

Answer:

0.384615386

Step-by-step explanation:

Given tan(A)=2/3

A=tan^-(2/3)

A=33.6900675°

cos2A=cos^2(A)-sin^2(A)

substitute A value in the formulae

=0.692307693-0.307692307

=0.384615386 Therefore cos2A=0.384615386

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