Question

The value of Tan 13° - Cor"77" is​

Answer 1

Answer:

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Answer 2

Answer:

tan13°=cot77°

Let take L. H. S

we know that,

\boxed{\sf{tan(90 - θ) = cot θ}}

tan(90−θ)=cotθ

Now,

tan(90 - 77) = cot77°tan(90−77)=cot77°

cot77° = cot77°cot77°=cot77°

L. H. S = R. H. S