English, asked by aman4736, 1 year ago

Prove that , cot A+tan B/cot B+tan A= cot A.tan B

Answers

Answered by MrrrrInnocent

4

LHS: cotA + tanB / cotB + tanA

= (cotA + 1/cotB) / (cotB + 1/cotA)

= (cotAcotB + 1) / cotB / (cotAcotB + 1) / cotA

= cotA / cotB

= cotAtanB

= RHS

hence proved.

Previous Question

Next Question

Similar questions

Business Studies, 7 months ago

Pepsi controversial Ad with Kendall Jenner How was Pepsi controversial Ad supposed to make people feel? What are the psychographics of Pepsi (Lifestyle, social and value) What are the demographics of Pepsi (income and family status)...

Chemistry, 7 months ago

Fuel for stoves lamps and jet aircrafts are obtained from........ constituent of petrol...

Science, 7 months ago

green plants use ____ energy to make food ...

Geography, 1 year ago

in India 0.52% of the population are migrant.what is the actual number of people who have migrated to India...

English, 1 year ago

Give a speech on " should antibiotics be banned? Yes or No?"...

History, 1 year ago

Functional finance concept was introduced by...

Physics, 1 year ago

derive an expression for the potential energy of an electric dipole in uniform electric field...

Physics, 1 year ago

definition of lcr series circuit find its impedance...