TanA=2/3then the value of cos2A is
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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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