Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

sinA+cosA =X , then prove that, (X square + Y square)=2
sinA-cosA    Y 

Asked by vaishnavi 20th May 2016, 1:22 PM
Answered by Expert
Answer:
begin mathsize 12px style straight X squared plus straight Y squared equals open parentheses sinA plus cosA close parentheses squared plus open parentheses sinA minus cosA close parentheses squared
equals sin squared straight A plus cos squared straight A plus 2 sinAcosA plus sin squared straight A plus cos squared straight A minus 2 sinAcosA
equals 1 plus 1 space left parenthesis since space sin squared straight A plus cos squared straight A equals 1 right parenthesis
equals 2 space left parenthesis p r o v e d right parenthesis end style
Answered by Expert 22nd May 2016, 3:22 PM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Your answer has been posted successfully!

Chat with us on WhatsApp