Question

tan ²x =2/3 then value of x =​

Answer 1

Answer:

nπ±n2π2+16−−−−−−−−√4

nπ4

nπ±n2π2−16−−−−−−−−√4

None of these

Answer :

A

Solution :

Since ,tan 2x=tan2x

⇒2x=nπ+2x⇒2x2−nπx−2=0

⇒x=nπ±n2π2+16−−−−−−−−√4

this should be done properly

Answer 2

Answer:

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