Math, asked by sonali6642, 1 year ago

what is the formula for cos (x+y)+cos(x-y)

Answers

Answered by mvirajprabhup0qivw

3

Answer:

cos(x+y) +cos(x-y) =2cosxcosy

Answered by Anonymous

3

Heya..

2 Cos (x) Cos (y) is ur formula

Previous Question

Next Question

Similar questions

Physics, 7 months ago

calculate the frequecy of x-rays of wavelength 100A assume the velocity of x-ray as 3*10 8 ms -1...

Science, 7 months ago

identify the compound from the following...

Geography, 7 months ago

the lower Indus plain ...

Accountancy, 1 year ago

Bought goods from Rahman cash 2500...

Math, 1 year ago

HCF of 50 and 70 please answer me. on step explanation...

Environmental Sciences, 1 year ago

Define biodiversity. Explain about diversity species and ecosystem diversity...

English, 1 year ago

Expand of idea 12 to 15 lines is where there is a will there is a way...

Chemistry, 1 year ago

Moving parts of machine are applied with a layer of grease why...