Ask Question
20 December, 17:24

Sinxcos y = 1 (sin (x + y) + sin (x-y))

sin x COSY -

+1
Answers (1)
  1. 20 December, 17:30
    0
    Step-by-step explanation:

    sin (x+y) = sin x cos y+cos x sin y

    sin (x-y) = sin x cos y-cos x sin y

    add

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

    sin x cos y=1/2 [sin (x+y) + sin (x-y) ]
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Sinxcos y = 1 (sin (x + y) + sin (x-y)) sin x COSY - ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers