The solution of the equation $4{\sin ^4}x + {\cos ^4}x = 1$ is

$x = \left( {n + 2} \right)\pi $

JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

1 Easy

1 of 1

Analyzing +4 | -1

The solution of the equation

4{\sin ^4}x + {\cos ^4}x = 1

View answer and explanation

Correct option: D

None of the above

Option D (None of the above) is correct because the solution to the equation

4{\sin ^4}x + {\cos ^4}x = 1

x = n\pi

, which is not represented by the other options.

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