JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

1 Easy

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Analyzing +4 | -1

f(\theta)=\sin ^4 \theta+\cos ^4 \theta+1

, then range of

f(\theta)

View answer and explanation

Correct option: A

\left[\frac{3}{2}, 2\right]

Option A (

\left[\frac{3}{2}, 2\right]

) is correct because it represents the range of the function after simplification using trigonometric identities.

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