Math, asked by Nairaj6898, 10 months ago

find value of tan 48 degree tan 13degree tan 42degree tan 77 degree

Answers

Answered by tyagiabha1

5

Answer: 1

Step-by-step explanation:

Tan48° . Tan13° . Tan42° . Tan77°

Tan(90-42)° . Tan(90-77)° . Tan42° . Tan77°

We know,

Tan(90-A) = CotA

So In above eqn

Cot42° . Cot77° . Tan42° . Tan 77°

(1/Tan42°) . (1/tan77°) . Tan42° . Tan77°

1

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