Math, asked by kamranrasheed4882, 1 year ago

For x+y+z=pi, show that : 1+cos2x +cos2y +cos2z =-4cosxcosycosz

Answers

Answered by brunoconti

0

Answer:

Step-by-step explanation:

brainliest please

Attachments:

Previous Question

Next Question

Similar questions

Physics, 6 months ago

A girl said to her father ", I have being working in this school far to yers...

Social Sciences, 6 months ago

why did mahatama Gandhi launched non cooperation movement...

Math, 6 months ago

What is the sum of all the elements from the first six rows of Pascal's triangle?

Chemistry, 1 year ago

The concentration of h + in a solution is 10 n mention the pH value and nature of the solution...

English, 1 year ago

Section-8 WRITING Write an application to the Principal of your school requesting her to introduce German as the third language in school giving reasons for the same. You are Sidarth/Shikha of Bhagirath Public School, new delhi ...

Political Science, 1 year ago

What are the basic features in a direct democracy ?

English, 1 year ago

1 minute speech on fashion...

Math, 1 year ago

please solve all these sums step by step plzzzzzzzzz!!!!!!