Math, asked by mahesh1779, 10 months ago

i) Prove that Tan 70º – Tan20° = 2 Tan 50

Answers

Answered by dhanushsai

Answer:

According to the trigonometric identity, tan70=tan(20+50) tan70=(tan20+tan50)/1-tan20tan50 tan70-tan20tan50tan70=tan20+tan50 Also tan70tan20=tan70cot70=1 Hence tan70-tan50=tan20+tan50 So tan70=tan20+2tan50 Hope this helps :) :) ..

Previous Question

Next Question

Similar questions

Biology, 5 months ago

simplify 2 5/6 2 1/6...

English, 5 months ago

History teacher Where were you? Sriniwas Outside the class, sir. History teacher When did you leave the classroom ? Sriniwas Just before the downfall of the Mughal Empire. The history teacher asked Sriniwas (a) Sriniwas told him respectfully that (6) The history teacher asked him when (c) the classroom. Sriniwas replied that (d) the downfall of the Mughal Empire. :...

English, 5 months ago

ride word ka meaning...

Geography, 10 months ago

1. Re-write the false statements with correct ones: (AS Animal body parts were used only in clothing. b) Major part of the food includes vegetables. collect from the . You have read Can you recal . Can each of . Our folk tale the class son r games amongst the people in Tundra are closely related to their daily lives. Conte...

Computer Science, 10 months ago

how much data can a ROM Store...

Math, 1 year ago

simplify 3log5+6log2-2log10...

Economy, 1 year ago

who does Rapid growth of population create unemployment give any two points...

English, 1 year ago

is it correct to say "I have exams till saturday"...

i) Prove that Tan 70º – Tan20° = 2 Tan 50​

Answers

i) Prove that Tan 70º – Tan20° = 2 Tan 50