Ask a Question

If xcosθ – ysinθ = a, xsinθ + ycos θ = b, prove that x2+y2=a2+b2.

0 votes
52 views
in maths by (98.9k points)
edited

If xcosθ – ysinθ = a, xsinθ + ycos θ = b, prove that x2+y2=a2+b2.

Your answer

Please answer the question in detail
Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

Related questions

0 votes
0 answers 101 views
If cosφ + sinφ = √2 cosφ, prove that cosφ - sinφ = √ 2sin φ.
asked Apr 2, 2022 in maths by Doubtly (98.9k points)
0 votes
1 answer 101 views
prove that cos^2 θ (1+ tan2 θ) = 1
asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

Most popular tags

jeemain geography-10th engineering physics semester 5 web computing

5.7k questions

5.1k answers

108 comments

538 users

Doubtly
...