Math, asked by hazelpervezabraham, 6 months ago

Prove that cos α cos α/2 - cos 3α cos 9α/2 = sin 7α sin 8α

Answers

Answered by saranya7182

0

Answer:

please wait 5 minutes please

Previous Question

Next Question

Similar questions

Hindi, 3 months ago

धन हमेशा ही बुरी आदतों को प्रोतसाहन देता है |...

English, 3 months ago

he ..... not be noticed if he does not speak out of turn.choice is need shall could ought ...

English, 3 months ago

The price of this transistor is five hundred rupees. (Begin: This transistor)...

English, 6 months ago

Write a letter to your friends whom you miss the during lock down period...

English, 6 months ago

my house is not very far the metro station fill in the blanks ?

Social Sciences, 9 months ago

The name kunjarani devi is associated with...

Physics, 9 months ago

The material widely used for making pendulums of clocks is...

English, 9 months ago

please anybody can answer my question ...