Math, asked by ry1756269, 1 month ago

tan70°-tan20°=2 tan 50 prove it

Answers

Answered by padmachinnu2007

2

tan 70°-tan 20°=2tan 50°

according to trigonometry formula

tan(A+B)=(tanA-tanB)/1+tanA×tanB

tan 50°=(tan 70°- tan 20°)/1+tan 70° tan 20°

tan 50°+tan 70° tan 20° tan 50°=tan 70°- tan 20°

tan 50°- tan 20°- tan 20°=tan 50°+ tan 50°

tan 70°- tan 20°=2 tan 50°

HENCE PROVED

Previous Question

Next Question

Similar questions

English, 17 days ago

Fill in the blanks with appropriate auxiliaries. 1. Tell me if you coming to the party. 2. They finished their homework. 3. What you do every Sunday? 4. Where you go yesterday? 5. It raining heavily. T:11 od.1 vorba...

Physics, 17 days ago

After falling from height 'h' a mass 'm' compresses a spring of force constant k. The compression produced in the spring is:...

English, 17 days ago

what is meant by brilliant answer ?

English, 1 month ago

• Fill in the blanks with suitable articles : 1) the times of India is ___daily newspaper.____newspaper supplies maximum information on current topics. 2) ______ train arrived___ hour late.

Computer Science, 1 month ago

Write the output of the following formulae/functions:- 1. =Sum(10,5)...

Social Sciences, 9 months ago

Why were usually men paid more wages than women for the same work?

Political Science, 9 months ago

describe the contribution of Nelson Mandela on struggle for independence (civics class:9) note:pls give the answer in points asap...

Math, 9 months ago

Write an arithmatic progression whose first term is -3 common difference is 5...