Math, asked by venusyadav, 1 year ago

evaluate:- cosx cosy_ siny sinx

Answers

Answered by MysticPetals

2

cos(x+y) is the answer..

venusyadav: but how???

Previous Question

Next Question

Similar questions

History, 7 months ago

hlo ❤️ ☺️write about unification of Germany and Italy...

Physics, 7 months ago

what is the ratio of maximum range obtained by a projectile to its maximum hight ...

Social Sciences, 7 months ago

name any eight highest peaks in himadri...

Math, 1 year ago

A dealer purchases 12 apples for Rs 10 and sells 10 apples for Rs 12. His gain percentage is :...

Math, 1 year ago

Please someone help to do this one...

Chemistry, 1 year ago

What do you mean by 0. 7gm atom sodium?

English, 1 year ago

a note on the language of formal letter...

Math, 1 year ago

six points A,B,C,D,E and F lie on a straight line in order such that B is the mid point of AC, E is the mid point of CF, and D is the mid point of BE. If BD=4, then what is the length of AF?