Math, asked by Omar2458, 9 months ago

prove it
tan 20+tan 25+tan20tan25 = 1

Answers

Answered by DeeShah

1

Maybe your question is incomplete!
Please check the question

Answered by sandy1816

2

Step-by-step explanation:

tan45=tan(20+25)

tan45=tan20+tan25/1-tan20tan25

1=tan20+tan25/1-tan20tan25

tan20+tan25=1-tan20tan25

tan20+tan25+tan20tan25=1

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