Assertion : | array ccc ( + ) & ( + ) & ( + ) ( + ) & ( + ) & ( + ) ( - ) & ( - ) & ( - )…
Mathematics · JEE Advanced · NTA Exams — Matrices and Determinants
Assertion : \[\left|\begin{array}{ccc}
\cos (\theta+\alpha) & \cos (\theta+\beta) & \cos (\theta+\gamma) \\
\sin (\theta+\alpha) & \sin (\theta+\beta) & \sin (\theta+\gamma) \\
\sin (\beta-\gamma) & \sin (\gamma-\alpha) & \sin (\alpha-\beta)
\end{array}\right|\] is
independent of θ.
Reason : If f (θ) = c, then f (θ) is independent of θ.
independent of θ.
Reason : If f (θ) = c, then f (θ) is independent of θ.
- If both assertion and reason are correct and reason is the correct explanation of assertion.
- If both assertion and reason are true but reason is not the correct explanation of assertion.
- If assertion is true but reason is false.
- If assertion is false but reason is true.
Answer
(B) If both assertion and reason are true but reason is not the correct explanation of assertion.
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