Math, asked by arunvj44426, 9 months ago

Prove that cos(x  y)  cos x cos y  sinx sin y .

Answers

Answered by viswanth2507

1

this can help you .............

Attachments:

Previous Question

Next Question

Similar questions

Computer Science, 5 months ago

What is use of Ink Equations?

English, 5 months ago

Q-1-Analyse how The Potmaker explores the individuals conflict with tradition and institution.

History, 5 months ago

constitution is the means of democrafic change explain...

Economy, 9 months ago

which is the cleanliest country of the word??

English, 9 months ago

Ravi said where are my books punctuate ...

Sociology, 1 year ago

what is the national game of sri lanks...

Math, 1 year ago

two pipes can fill a tank in 10 hrs & 12 hrs , while a 3rd pipe empties full tank in 20 hrs...

Environmental Sciences, 1 year ago

What are the bad effects happen to environment during festival?