Math, asked by pragatibhatt2922, 8 months ago

prove that cos(x+y) = cosx.cosy - sinx.siny.

Answers

Answered by tennetiraj86

21

Answer:

answer for the given problem is given

Attachments:

Answered by praveen1638

0

Answer:

prove kare tho answer aayyega

Previous Question

Next Question

Similar questions

Math, 4 months ago

the point (10,-5) lies ______ quadrant...

Physics, 4 months ago

prove that law of conservation of energy is obeyed during interference of light?

Science, 4 months ago

is the most important fibre used in our day-to-day life.

English, 8 months ago

dormant opposite class 7 in English...

Math, 8 months ago

Marks: 1/40 If cosec 15 = √2 (√3+1), what is the value of Cos 75?

English, 1 year ago

OTHER QUESTIONS Q1. What would you do if 3x1=3mks a. A dog chases you ? b. You have forgotten your homework copy at home c. You happen to see a strange fooqprint ? d. There was no play time in your Timetable e. You are alone in a room and the lights go out?

Computer Science, 1 year ago

what is java?what are the features of java...

English, 1 year ago

78%marks in 10 th standard are good marks or not...