Math, asked by preeti108, 1 year ago

tan69+tan66+1=tan69tan66

Answers

Answered by kokan6515

We have to use
formula
Tan(A+B) = TanA+TanB/(1-TanATanB)

tan69+tan66+1=tan69tan66
Here A= 69 and B= 66

Tan(69+66)=
Tan69+Tan66/(1-Tan69Tan66)

Tan 135 = Tan69+Tan66/(1-Tan69Tan66)

we know Tan135= -1

-1 =Tan69+Tan66/(1-Tan69Tan66)

Tan69Tan66 -1 = Tan69+Tan66

Tan69Tan66 = 1+ Tan66 +Tan69

Answered by sujithchowdary1

Tan(A+B) = TanA+TanB/(1-TanATanB)

tan69+tan66+1=tan69tan66
Here A= 69 and B= 66

Tan(69+66)=
Tan69+Tan66/(1-Tan69Tan66)

Tan 135 = Tan69+Tan66/(1-Tan69Tan66)

we know Tan135= -1

-1 =Tan69+Tan66/(1-Tan69Tan66)

Tan69Tan66 -1 = Tan69+Tan66

Tan69Tan66 = 1+ Tan66 +Tan69

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