MCQ
$\left(1-\cos ^4 \theta\right)=$
  • A
    $\cos ^2 \theta\left(1-\cos ^2 \theta\right)$
  • $\sin ^2 \theta\left(1+\cos ^2 \theta\right)$
  • C
    $\sin ^2 \theta\left(1-\sin ^2 \theta\right)$
  • D
    $\sin ^2 \theta\left(1+\sin ^2 \theta\right)$

Answer

Correct option: B.
$\sin ^2 \theta\left(1+\cos ^2 \theta\right)$
B

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