prove that tanA +tan2A+tanA.tan2A is equal to 1
AkashMandal:
i think any other data relating to A is missing
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tanA +tan2A+tanA.tan2A
this is wrong because if we take A = 30°
then
tan30°+ tan60° + tan30°tan60°
1/√3 +√3+ 1/√3× √3
1/√3 +√3 +1
is greater than 1
so question is wrong
this is wrong because if we take A = 30°
then
tan30°+ tan60° + tan30°tan60°
1/√3 +√3+ 1/√3× √3
1/√3 +√3 +1
is greater than 1
so question is wrong
no this question was provided by a government college teacher.
but thanx
it can solved now by the teacher
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