Mathematics · Trigonometry
If cos4(θ) - sin4(θ) = k, then the value of 1 + k1 - k is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cosec 2 (θ)
- 2tan 2 (θ)
- 324
- 4cot 2 (θ)✓
Correct answer
cot 2 (θ)
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