1. Tardigrade
  2. Question
  3. Mathematics
  4. If y=( sin x+ cos x)+( sin 4 x+ cos 4 x)2, then -

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. If $y=(\sin x+\cos x)+(\sin 4 x+\cos 4 x)^2$, then -

Trigonometric Functions

Solution:

Correct answer is (c) $y<2+\sqrt{2} x \in R$