Math, asked by mohitlamba6635, 10 months ago

tan70°=2tan50°+tan20°

Answers

Answered by divya022010

3

Answer:

don't know if you have any questions

sorry

Answered by vidya53

3

Step-by-step explanation:

tan70=tan(50+20)=tan50+tan20/1-tan50tan20

Now cross multiply

Use

tan20tan70=1

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