Math, asked by mohan2715, 10 months ago

Tan 71 degrees - cot 19 degrees

Answers

Answered by anuj043120

3

Answer:

0

Mark it brainliest....

Answered by haritha574

2

Answer:

tan 71 – cot 19
tan (90-19)–cot 19
tan(90-a)=cota
cot19-cot19
=0

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