25
Prove that tan65º = tan25° + 2tan40°
Answers
Answered by
1
Step-by-step explanation:
Tan65=tan(25+40)
Tan65=(tan25+tan40)/1-tan25.tan40
Tan65(1-tan25.tan40)=tan25+tan40
Tan65-tan65.tan25.tan40=tan25+tan40
Tan65-tan(90–25).tan25.tan40=tan25+tan40
Tan65-cot25.tan25.tan40=tan25+tan40
Tan65-tan40=tan25+tan40
Tan65=tan25+2tan40.
Hence proved.
Mark me as brainliest
Answered by
0
Step-by-step explanation:
u tell .... i don't know
Similar questions
English,
3 months ago
Science,
3 months ago
Math,
3 months ago
Science,
6 months ago
Computer Science,
6 months ago
Social Sciences,
10 months ago
Math,
10 months ago
English,
10 months ago