Math, asked by sujithsandilya8, 9 months ago

tan 100°+tan 125º+tan 100° tan 125º =

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Answered by Anonymous

Answer:

Tan(100+125)= Tan 225

Tan 225

$= \frac{Tan 100+ Tan 125}{1- Tan 100Tan 125}$

⇒ Tan 225=1( we know that)

$1 = \frac{Tan 100+ Tan 125}{1- Tan 100Tan 125}$

1- Tan 100Tan 125= Tan 100+Tan 125

⇒ Tan 100 +Tan 125+ Tan 100 Tan125= 1

Answered by AnnieStar

Answer:

Tan 225 = tan (180+45)

= tan (125+100)

=>tan 45

= tan 125 + tan 100÷ 1-tan 125 tan 100

= 1

=>1 - tan 125 tan 100 = tan 125+ tan 100

=>tan 125+ tan 100 + tan 125 tan 100 = 1

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